Pentek "Big Blue" Whole House Main Line Filters.

• Large capacity housing suitable for high flow applications

• Available in 10" and 20" lengths

• Pressure-relief/bleed button on inlet side of cap

• Accepts 4-1⁄2" diameter cartridges Big Blue filter housings offer the versatility to meet all of your large-capacity filtration needs, including high-flow and heavy-sediment applications.

• The extra large housing allows for greater cartridge capacity, reducing the number of vessels required for high flow-rate applications.

• Sumps are constructed of durable reinforced polypropylene and are available in both 10" and 20" lengths.

• The high-flow polypropylene (HFPP) cap is available with, 1" or 11⁄2" NPT inlet and outlet ports.

• The 11⁄4" internal port allows a greater volume of liquid to pass through the HFPP cap more rapidly.

• Big Blue housings are compatible with a broad range of chemicals and are available with or without an optional pressure-relief button. They accept a wide variety of 41⁄2" diameter cartridges in either 10" or 20" lengths.

Housing Specifications and Performance Data

Model	Maximum Dimesions	Initial ^P (psi)@ Flow Rate (gpm)
1" #10BB	131⁄8" x 71⁄4" (333 mm x 184 mm)	1 psi @ 15 gpm (0.1 bar @ 57 L/min)
11⁄2" #10BB	135⁄8" x 71⁄4" (346 mm x 184 mm)	1 psi @ 20 gpm (0.1 bar @ 76 L/min)
1" #20BB	233⁄8" x 71⁄4" (594 mm x 184 mm)	1 psi @ 15 gpm(0.1 bar @ 57 L/min)
11⁄2" #20BB	237⁄8" x 71⁄4" (606 mm x 184 mm)	1 psi @ 20 gpm (0.1 bar @ 76 L/min)

Materials of Construction

• Housing: Polypropylene
• Cap: Polypropylene (HFPP)
• Button Assembly: 300-series Stainless Steel, Polypropylene and EPDM
• O-Ring: Buna-N
• Maximum Temperature: 100°F (37.8°C)
• Maximum Pressure: #10BB – 100 psi (6.90 bar)
  #20BB – 90 psi (6.2 bar