Several different types of cartridge type stainless steel precision filter.

Cartridge-Type Stainless Steel Precision Filter Accommodates Up To 160 Filter Elements

The cartridge-type stainless steel precision filter typically consists of one or more filter elements. The internally installed microporous pleated membrane filter elements, melt-blown filter elements, or string-wound filter elements all belong to deep filtration, capable of providing higher levels of filtration and purification. They can remove smaller particles and suspended solids and also have a good removal effect on dissolved substances.

  • Specification
  • Working Principle
  • Structure
  • Videos
Specification
  • 3 units of BN1 series cartridge type stainless steel precision filter

    BN1 Series

  • 1 unit of BN3 series cartridge type stainless steel precision filter

    BN3 Series

  • 1 unit of BN4 series cartridge type stainless steel precision filter

    BN4 Series

  • 1 unit of BN5 series cartridge type stainless steel precision filter

    BN5 Series

  • 1 unit of BN6 series cartridge type stainless steel precision filter

    BN6 Series

  • 5 units of BN7 series cartridge type stainless steel precision filter

    BN7 Series

  • A unit of BN7-E series cartridge type stainless steel precision filter.

    BN7-E Series

BN1 Series

3 units of BN1 series cartridge type stainless steel precision filter
  • Body Material: Stainless steel (SUS304, SUS304L, SUS316, SUS316L).
  • Working pressure: 100 PSI.
  • Operating temperature: 5–40 °C.
  • Design temperature: 5–90 °C.
  • Replace pressure: 0.05–0.07 MPa.
  • Filtration accuracy: 1–100 μm.
  • Cartridge Quantity: 3/5/7 elements, etc.
  • Cartridge filter Length: 10"–40".
  • Enclosure Type: Clamp.
  • Port type: Thread.
  • Surface finish: Sandblast, mirror electrolytic polishing.
  • Seal type: O-ring or flat washer.
  • Filter interface: Flat compression, plug-in.
  • Sealing material: Nitrile rubber, silicone, Viton, standard configuration for the silicone seal.
  • Interface Type: GB, DIN, ANSI, JIS standard flanges, dental mouth, clamps, and so on.

Drawings & Dimensions

A drawing of BN1 series cartridge type stainless steel precision filters.
Table 1: BN1 Cartridge Type Stainless Steel Precision Filters
Model Structure A (mm) B (mm) C (mm) D (mm) E (mm) F (mm) In/Out Drain
SW-CF-BN1-W3L1 3 nos × 10" 120 220 600 ɸ170 ɸ219 230 1"–1-1/2" 1/4"–1/2"
SW-CF-BN1-W3L2 3 nos × 20" 120 220 850 ɸ170 ɸ219 230 1"–1-1/2" 1/4"–1/2"
SW-CF-BN1-W3L3 3 nos × 30" 120 220 1100 ɸ170 ɸ219 230 1"–2" 1/4"–1/2"
SW-CF-BN1-W3L4 3 nos × 40" 120 220 1350 ɸ170 ɸ219 230 1"–2" 1/4"–1/2"
SW-CF-BN1-W5L1 5 nos × 10" 120 220 610 ɸ200 ɸ248 260 1"–1-1/2" 1/4"–1/2"
SW-CF-BN1-W5L2 5 nos × 20" 120 220 860 ɸ200 ɸ248 260 1"–1-1/2" 1/4"–1/2"
SW-CF-BN1-W5L3 5 nos × 30" 120 220 1110 ɸ200 ɸ248 260 1"–2" 1/4"–1/2"
SW-CF-BN1-W5L4 5 nos × 40" 120 220 1360 ɸ200 ɸ248 260 1"–2" 1/4"–1/2"
SW-CF-BN1-W7L1 7 nos × 10" 120 220 620 ɸ250 ɸ310 310 1-1/2"–2" 1/2"
SW-CF-BN1-W7L2 7 nos × 20" 120 220 870 ɸ250 ɸ310 310 1-1/2"–2" 1/2"
SW-CF-BN1-W7L3 7 nos × 30" 120 220 1120 ɸ250 ɸ310 310 1-1/2"–2-1/2" 1/2"
SW-CF-BN1-W7L4 7 nos × 40" 120 220 1370 ɸ250 ɸ310 310 1-1/2"–2-1/2" 1/2"

BN3 Series

1 unit of BN3 series cartridge type stainless steel precision filter
  • Body Material: Stainless steel (SUS304, SUS304L, SUS316, SUS316L).
  • Working pressure: 150 PSI.
  • Operating temperature: 5–40 °C.
  • Design temperature: 5–90 °C.
  • Replace pressure: 0.05–0.07 MPa.
  • Filtration accuracy: 1–100 μm.
  • Cartridge Quantity: 5/7/11/15/20/27 elements, etc.
  • Cartridge filter Length: 10"–40".
  • Enclosure Type: Swing bolt.
  • Port type: Thread.
  • Surface finish: Sandblast, mirror electrolytic polishing.
  • Seal type: O-ring or flat washer.
  • Filter interface: Flat compression, plug-in.
  • Sealing material: Nitrile rubber, silicone, Viton, standard configuration for the silicone seal.
  • Interface Type: GB, DIN, ANSI, JIS standard flanges, dental mouth, clamps, and so on.

Drawings & Dimensions

A drawing of BN3 series cartridge type stainless steel precision filters
Table 2: BN3 Cartridge Type Stainless Steel Precision Filters
Model Structure A (mm) B (mm) C (mm) D (mm) E (mm) F (mm) In/Out Drain
SW-CF-BN3-W5L3 5 nos × 30" 80 180 1090 ɸ200 ɸ248 344 1-1/2"–2" 1/2"
SW-CF-BN3-W5L4 5 nos × 40" 80 180 1340 ɸ200 ɸ248 344 1-1/2"–2" 1/2"
SW-CF-BN3-W7L3 7 nos × 30" 120 600 1160 ɸ250 ɸ310 410 1-1/2"–2" 1/2"
SW-CF-BN3-W7L4 7 nos × 40" 120 800 1410 ɸ250 ɸ310 410 1-1/2"–2" 1/2"
SW-CF-BN3-W11L3 11 nos × 30" 150 600 1170 ɸ300 ɸ360 460 2"–3" 1/2"
SW-CF-BN3-W11L4 11 nos × 40" 150 800 1420 ɸ300 ɸ360 460 2"–3" 1/2"
SW-CF-BN3-W15L3 15 nos × 30" 150 600 1180 ɸ350 ɸ410 530 2"–3" 3/4"
SW-CF-BN3-W15L4 15 nos × 40" 150 800 1430 ɸ350 ɸ410 530 2"–3" 3/4"
SW-CF-BN3-W20L3 20 nos × 30" 150 600 1190 ɸ400 ɸ460 560 2"–4" 3/4"
SW-CF-BN3-W20L4 20 nos × 40" 150 800 1440 ɸ400 ɸ460 560 2"–4" 3/4"
SW-CF-BN3-W27L3 27 nos × 30" 150 600 1200 ɸ450 ɸ510 630 2"–4" 3/4"
SW-CF-BN3-W27L4 27 nos × 40" 150 800 1450 ɸ450 ɸ510 630 2"–4" 3/4"

BN4 Series

1 unit of BN4 series cartridge type stainless steel precision filter
  • Body Material: Stainless steel (SUS304, SUS304L, SUS316, SUS316L).
  • Working pressure: 150 PSI.
  • Operating temperature: 5–40 °C.
  • Design temperature: 5–90 °C.
  • Replace pressure: 0.05–0.07 MPa.
  • Filtration accuracy: 1–100 μm.
  • Cartridge Quantity: 5/7/11/15/20/27 elements, etc.
  • Cartridge filter Length: 10"–40".
  • Enclosure Type: Swing bolt.
  • Port type: Flange.
  • Surface finish: Sandblast, mirror electrolytic polishing.
  • Seal type: O-ring or flat washer.
  • Filter interface: Flat compression, plug-in.
  • Sealing material: Nitrile rubber, silicone, Viton, standard configuration for the silicone seal.
  • Interface Type: GB, DIN, ANSI, JIS standard flanges, dental mouth, clamps, and so on.

Drawings & Dimensions

A drawing of BN4 series cartridge type stainless steel precision filters.
Table 3: BN4 Cartridge Type Stainless Steel Precision Filters
Model Structure A (mm) B (mm) C (mm) D (mm) F (mm) H (mm) In/Out Drain
SW-CF-BN4-W5L3 5 nos × 30" 250 600 1250 ɸ200 150 340 1-1/2"–2" 1/2"
SW-CF-BN4-W5L4 5 nos × 40" 250 700 1500 ɸ200 150 340 1-1/2"–2" 1/2"
SW-CF-BN4-W7L3 7 nos × 30" 300 700 1300 ɸ250 150 390 1-1/2"–2" 1/2"
SW-CF-BN4-W7L4 7 nos × 40" 300 800 1550 ɸ250 150 390 1-1/2"–2" 1/2"
SW-CF-BN4-W11L3 11 nos × 30" 360 700 1380 ɸ300 200 440 2"–3" 1/2"
SW-CF-BN4-W11L4 11 nos × 40" 360 900 1620 ɸ300 200 440 2"–3" 1/2"
SW-CF-BN4-W15L3 15 nos × 30" 380 800 1420 ɸ350 200 530 2"–3" 3/4"
SW-CF-BN4-W15L4 15 nos × 40" 380 900 1660 ɸ350 200 530 2"–3" 3/4"
SW-CF-BN4-W20L3 20 nos × 30" 400 800 1460 ɸ400 200 560 2"–4" 3/4"
SW-CF-BN4-W20L4 20 nos × 40" 400 900 1700 ɸ400 200 560 2"–4" 3/4"
SW-CF-BN4-W27L3 27 nos × 30" 460 800 1530 ɸ450 250 630 2"–4" 3/4"
SW-CF-BN4-W27L4 27 nos × 40" 460 1000 1770 ɸ450 250 630 2"–4" 3/4"

BN5 Series

1 unit of BN5 series cartridge type stainless steel precision filter
  • Body Material: Stainless steel (SUS304, SUS304L, SUS316, SUS316L)
  • Working Pressure: 150 PSI
  • Operating Temperature: 5–40 °C
  • Design Temperature: 5–90 °C
  • Replace Pressure: 0.05–0.07 MPa
  • Filtration Accuracy: 1–100 μm
  • Cartridge Quantity: 30/36/40/50/60/75/80/90/100/120/140/160 elements, etc.
  • Cartridge Filter Length: 30"–40"
  • Enclosure Type: Swing bolt hinged
  • Port Type: Flange
  • Surface Finish: Sandblast, mirror electrolytic polishing
  • Seal Type: O-ring or flat washer
  • Filter Interface: Flat compression, plug-in
  • Sealing Material: Nitrile rubber, silicone, Viton (standard configuration for the silicone seal)
  • Interface Type: GB, DIN, ANSI, JIS standard flanges, dental mouth, clamps, etc.

Drawings & Dimensions

A drawing of BN5 series cartridge type stainless steel precision filters.
Table 4: BN5 Cartridge Type Stainless Steel Precision Filters
Model Structure A (mm) B (mm) C (mm) D (mm) F (mm) H (mm) In/Out Drain
SW-CF-BN5-W30L3 30 nos × 30" 480 900 1740 ɸ500 250 660 2"–4" 1"
SW-CF-BN5-W30L4 30 nos × 40" 480 1100 1990 ɸ500 250 660 2"–4" 1"
SW-CF-BN5-W36L3 36 nos × 30" 500 900 1780 ɸ550 250 710 2.5"–4" 1"
SW-CF-BN5-W36L4 36 nos × 40" 500 1100 2030 ɸ550 250 710 2.5"–4" 1"
SW-CF-BN5-W40L3 40 nos × 30" 560 1000 1850 ɸ600 300 760 2-1/2"–4" 1"
SW-CF-BN5-W40L4 40 nos × 40" 560 1200 2100 ɸ600 300 760 2-1/2"–4" 1"
SW-CF-BN5-W50L3 50 nos × 30" 580 1000 1880 ɸ650 300 810 3"–4" 1"
SW-CF-BN5-W50L4 50 nos × 40" 580 1200 2130 ɸ650 300 810 3"–4" 1"
SW-CF-BN5-W60L3 60 nos × 30" 590 1000 1900 ɸ700 300 880 3"–5" 1"
SW-CF-BN5-W60L4 60 nos × 40" 590 1200 2150 ɸ700 300 880 3"–5" 1"
SW-CF-BN5-W75L3 75 nos × 30" 610 1000 1950 ɸ750 300 950 3"–5" 1-1/2"
SW-CF-BN5-W75L4 75 nos × 40" 610 1250 2200 ɸ750 300 950 3"–5" 1-1/2"
SW-CF-BN5-W80L3 80 nos × 30" 620 1100 1970 ɸ800 300 1000 4"–6" 1-1/2"
SW-CF-BN5-W80L4 80 nos × 40" 620 1250 2220 ɸ800 300 1000 4"–6" 1-1/2"
SW-CF-BN5-W90L3 90 nos × 30" 650 1100 2140 ɸ850 300 1000 4"–6" 1-1/2"
SW-CF-BN5-W90L4 90 nos × 40" 650 1250 2390 ɸ850 300 1000 4"–6" 1-1/2"
SW-CF-BN5-W100L3 100 nos × 30" 670 1100 2070 ɸ900 300 1140 4"–6" 1-1/2"
SW-CF-BN5-W100L4 100 nos × 40" 670 1350 2320 ɸ900 300 1140 4"–6" 1-1/2"
SW-CF-BN5-W120L3 120 nos × 30" 750 1200 2170 ɸ1000 350 1240 4"–6" 1-1/2"
SW-CF-BN5-W120L4 120 nos × 40" 750 1400 2420 ɸ1000 350 1240 4"–6" 1-1/2"
SW-CF-BN5-W140L3 140 nos × 30" 830 1300 2350 ɸ1100 350 1400 4"–6" 2"
SW-CF-BN5-W140L4 140 nos × 40" 830 1500 2600 ɸ1100 350 1400 4"–6" 2"
SW-CF-BN5-W160L3 160 nos × 30" 860 1300 2400 ɸ1200 350 1500 6"–10" 2"
SW-CF-BN5-W160L4 160 nos × 40" 860 1500 2650 ɸ1200 350 1500 6"–10" 2"

BN6 Series

1 unit of BN6 series cartridge type stainless steel precision filter
  • Body Material: Stainless steel (SUS304, SUS304L, SUS316, SUS316L).
  • Working pressure: 150 PSI.
  • Operating temperature: 5–40 °C.
  • Design temperature: 5–90 °C.
  • Replace pressure: 0.05–0.07 MPa.
  • Filtration accuracy: 1–100 μm.
  • Cartridge Quantity: 5/7/11/15/20/27/30/36/40/50/60/75/80/90/100/120/140/160 elements, etc.
  • Cartridge filter Length: 10"–40".
  • Enclosure Type: N/A (not provided in the original text).
  • Port type: Flange.
  • Surface finish: Sandblast, mirror electrolytic polishing.
  • Seal type: O-ring or flat washer.
  • Filter interface: Flat compression, plug-in.
  • Sealing material: Nitrile rubber, silicone, Viton, standard configuration for the silicone seal.
  • Interface Type: GB, DIN, ANSI, JIS standard flanges, dental mouth, clamps and so on.

Drawings & Dimensions

A drawing of BN6 series cartridge type stainless steel precision filters.
Table 5: BN6 Cartridge Type Stainless Steel Precision Filters
Model Structure A (mm) B (mm) C (mm) D (mm) F (mm) In/Out Drain
SW-CF-BN6-W5L3 5 nos × 30" 75 180 1060 ɸ200 320 1"–2" 1/4"
SW-CF-BN6-W5L4 5 nos × 40" 75 180 1310 ɸ200 320 1"–2" 1/4"
SW-CF-BN6-W7L3 7 nos × 30" 80 180 1120 ɸ250 390 1-1/2"–2" 1/2"
SW-CF-BN6-W7L4 7 nos × 40" 80 180 1370 ɸ250 390 1-1/2"–2" 1/2"
SW-CF-BN6-W11L3 11 nos × 30" 150 600 1170 ɸ300 440 2"–3" 1/2"
SW-CF-BN6-W11L4 11 nos × 40" 150 800 1420 ɸ300 440 2"–3" 1/2"
SW-CF-BN6-W15L3 15 nos × 30" 150 600 1180 ɸ350 490 2"–3" 3/4"
SW-CF-BN6-W15L4 15 nos × 40" 150 800 1430 ɸ350 490 2"–3" 3/4"
SW-CF-BN6-W20L3 20 nos × 30" 150 600 1190 ɸ400 560 2"–4" 3/4"
SW-CF-BN6-W20L4 20 nos × 40" 150 800 1440 ɸ400 560 2"–4" 3/4"
SW-CF-BN6-W27L3 27 nos × 30" 150 600 1200 ɸ450 610 2"–4" 3/4"
SW-CF-BN6-W27L4 27 nos × 40" 150 800 1450 ɸ450 610 2"–4" 3/4"
SW-CF-BN6-W30L3 30 nos × 30" 150 600 1220 ɸ500 660 2"–4" 1"
SW-CF-BN6-W30L4 30 nos × 40" 150 800 1470 ɸ500 660 2"–4" 1"
SW-CF-BN6-W36L3 36 nos × 30" 150 600 1240 ɸ550 730 2-1/2"–4" 1"
SW-CF-BN6-W36L4 36 nos × 40" 150 800 1490 ɸ550 730 2-1/2"–4" 1"
SW-CF-BN6-W40L3 40 nos × 30" 150 700 1320 ɸ600 760 2-1/2"–4" 1"
SW-CF-BN6-W40L4 40 nos × 40" 150 900 1570 ɸ600 760 2-1/2"–4" 1"
SW-CF-BN6-W50L3 50 nos × 30" 150 700 1330 ɸ650 830 3"–4" 1"
SW-CF-BN6-W50L4 50 nos × 40" 150 900 1580 ɸ650 830 3"–4" 1"
SW-CF-BN6-W60L3 60 nos × 30" 150 700 1340 ɸ700 880 3"–5" 1"
SW-CF-BN6-W60L4 60 nos × 40" 150 900 1590 ɸ700 880 3"–5" 1"
SW-CF-BN6-W75L3 75 nos × 30" 200 700 1360 ɸ750 950 3"–5" 1-1/2"
SW-CF-BN6-W75L4 75 nos × 40" 200 900 1610 ɸ750 950 3"–5" 1-1/2"
SW-CF-BN6-W80L3 80 nos × 30" 200 700 1380 ɸ800 1000 4"–6" 1-1/2"
SW-CF-BN6-W80L4 80 nos × 40" 200 900 1630 ɸ800 1000 4"–6" 1-1/2"
SW-CF-BN6-W90L3 90 nos × 30" 200 700 1380 ɸ850 1000 4"–6" 1-1/2"
SW-CF-BN6-W90L4 90 nos × 40" 200 900 1630 ɸ850 1000 4"–6" 1-1/2"
SW-CF-BN6-W100L3 100 nos × 30" 200 700 1400 ɸ900 1140 4"–6" 1-1/2"
SW-CF-BN6-W100L4 100 nos × 40" 200 900 1650 ɸ900 1140 4"–6" 1-1/2"
SW-CF-BN6-W120L3 120 nos × 30" 250 800 1480 ɸ1000 1240 4"–6" 1-1/2"
SW-CF-BN6-W120L4 120 nos × 40" 250 1000 1730 ɸ1000 1240 4"–6" 1-1/2"
SW-CF-BN6-W140L3 140 nos × 30" 250 800 1510 ɸ1100 1400 4"–6" 2"
SW-CF-BN6-W140L4 140 nos × 40" 250 1000 1760 ɸ1100 1400 4"–6" 2"
SW-CF-BN6-W160L3 160 nos × 30" 250 800 1560 ɸ1200 1500 6"–10" 2"
SW-CF-BN6-W160L4 160 nos × 40" 250 1000 1810 ɸ1200 1500 6"–10" 2"

BN7 Series

5 unit of BN7 series cartridge type stainless steel precision filter
  • Body Material: Stainless steel (SUS304, SUS304L, SUS316, SUS316L).
  • Working pressure: 100 PSI.
  • Operating temperature: 5–40 °C.
  • Design temperature: 5–90 °C.
  • Replace pressure: 0.05–0.07 MPa.
  • Filtration accuracy: 1–100 μm.
  • Cartridge Quantity: 1 element.
  • Cartridge filter Length: 10"–40".
  • Enclosure Type: Clamp.
  • Port type: Thread.
  • Surface finish: Sandblast, mirror electrolytic polishing.
  • Seal type: O-ring or flat washer.
  • Filter interface: Flat compression, plug-in.
  • Sealing material: Nitrile rubber, silicone, Viton, standard configuration for the silicone seal.
  • Interface Type: GB, DIN, ANSI, JIS standard flanges, dental mouth, clamps and so on.

Drawings & Dimensions

A drawing of BN7-A/BN7-B series cartridge type stainless steel precision filters.

BN7-A/BN7-B

Table 6: BN7-A/B Single Element SS Precision Filter
Model Structure A (mm) B (mm) C (mm) In/Out
SW-CF-BN7-A/B-W1L1 1 nos × 10" 275 355 ɸ89 1/2", 1"
SW-CF-BN7-A/B-W1L2 1 nos × 20" 525 605 ɸ89 3/4", 1"
SW-CF-BN7-A/B-W1L3 1 nos × 30" 775 855 ɸ89 1"
SW-CF-BN7-A/B-W1L4 1 nos × 40" 1025 1105 ɸ89 1"
A drawing of BN7-C/BN7-D series cartridge type stainless steel precision filters.

BN7-C/BN7-D

Table 7: BN7-C/D Single Element SS Precision Filter
Model Structure A (mm) B (mm) C (mm) In/Out
SW-CF-BN7-C/D-W1L1 1 nos × 10" 280 345 ɸ88 3/4", 1"
SW-CF-BN7-C/D-W1L2 1 nos × 20" 534 599 ɸ88 3/4", 1"
SW-CF-BN7-C/D-W1L3 1 nos × 30" 788 853 ɸ88 1"
SW-CF-BN7-C/D-W1L4 1 nos × 40" 1042 1107 ɸ88 1"

BN7-E Series

1 unit of BN7-E series cartridge type stainless steel precision filter
  • Body Material: Stainless steel (SUS304, SUS304L, SUS316, SUS316L).
  • Working pressure: 150 PSI.
  • Operating temperature: 5–40 °C.
  • Design temperature: 5–90 °C.
  • Replace pressure: 0.05–0.07 MPa.
  • Filtration accuracy: 1–100 μm.
  • Cartridge Quantity: 1 element.
  • Cartridge filter Length: 10"–40".
  • Enclosure Type: Clamp.
  • Port type: Thread.
  • Surface finish: Sandblast, mirror electrolytic polishing.
  • Seal type: O-ring or flat washer.
  • Filter interface: Flat compression, plug-in.
  • Sealing material: Nitrile rubber, silicone, Viton, standard configuration for the silicone seal.
  • Interface Type: GB, DIN, ANSI, JIS standard flanges, dental mouth, clamps, and so on.

Drawings & Dimensions

A drawing of BN7-E series cartridge type stainless steel precision filters.
Table 8: BN7-E Single Element SS Precision Filter
Model Structure A (mm) B (mm) C (mm) D (mm) In/Out
BN7-E-W1L1 1 nos × 10" 355 378 Φ133 150 1"
BN7-E-W1L2 1 nos × 20" 605 628 Φ133 150 1"
BN7-E-W1L3 1 nos × 30" 855 878 Φ133 150 1"
BN7-E-W1L4 1 nos × 40" 1105 1128 Φ133 150 1"
Working Principle
A working principle drawing of cartridge type stainless steel precision filter.

Cartridge filters can accommodate one or more filter cartridges according to the flow rate. The liquid to be filtered enters the interior of the filter from the inlet on one side of the filter. Under the pressure difference between the inlet and outlet of the filter, the liquid enters the outer layer of the filter cartridge, where larger particles are trapped, while smaller particles are captured on the inner layer of the filter material. The filtered clean water flows out through the outlet on the other side of the filter.

Structure
A structure drawing of cartridge type stainless steel precision filter.
  1. Top cover: Ensures that the filter cartridge and liquid are in a closed state, providing necessary strength and rigidity for the overall structure.
  2. Bolt (quick coupling): Used to fix the top cover of the filter to the housing, ensuring a tight connection between the two and using gaskets to improve sealing performance and disperse pressure.
  3. Sealing ring: Connects the top cover to the housing to prevent liquid leakage from the filter.
  4. Center support rod (multi-element filter): Used in conjunction with the positioning ring to provide necessary support for the filter element and help position the filter element.
  5. Filter element: Filters and separates solid particles, impurities, pollutants, or other suspended substances in the fluid.
  6. Base: Provides stable support for the entire filter, ensuring the overall integrity and stability of the filter during operation.
  7. Housing: Provides protection and support for the filter element, allowing the filter to work effectively.
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