• Large capacity housing suitable for high flow applications
  • 10" and 20" lengths available in opaque and clear
  • Pressure relief/bleed on inlet side of cap
  • Accepts 4-1/2" diameter cartridges
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Unit of Measure
Items
Culligan® Model #10 Big Blue®-3/4"/#10 Big Blue®-1"/#10 Big Blue®-1-1/2" Filter Housing

Culligan® Model #10 Big Blue®-3/4" Filter Housing
Culligan® Model #10 Big Blue®-3/4"/#10 Big Blue®-1"/#10 Big Blue®-1-1/2" Filter Housing

Culligan® Model #10 Big Blue®-1" Filter Housing
Culligan® Model #10 Big Blue®-3/4"/#10 Big Blue®-1"/#10 Big Blue®-1-1/2" Filter Housing

Culligan® Model #10 Big Blue®-1-1/2" Filter Housing
Culligan® Model #20 Big Blue®-3/4"/#10 Big Blue®-1"/#10 Big Blue®-1-1/2" Filter Housing

Culligan® Model #20 Big Blue®-3/4" Filter Housing
Culligan® Model #20 Big Blue®-3/4"/#10 Big Blue®-1"/#10 Big Blue®-1-1/2" Filter Housing

Culligan® Model #20 Big Blue®-1" Filter Housing
Description N/A 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.
Brands N/A Big Blue® Culligan® Pentair Pentek®
Length N/A 10 in N/A 10 in N/A 10 in N/A 20 in N/A 20 in
Inlet/Outlet Port N/A 3/4 in. National Pipe Thread (NPT) N/A 1 in. National Pipe Thread (NPT) N/A 1-1/2 in. National Pipe Thread (NPT) N/A 3/4 in. National Pipe Thread (NPT) N/A 1 in. National Pipe Thread (NPT)
Maximum Dimensions N/A 13-1/8 x 7-1/4 in333 x 184 mm N/A 13-1/8 x 7-1/4 in333 x 184 mm N/A 13-5/8 x 7-1/4 in346 x 184 mm N/A 23-3/8 x 7-1/4 in594 x 184 mm N/A 23-3/8 x 7-1/4 in594 x 184 mm
Initial Pressure (ΔP) at 15 Gallons Per Minute (gpm) Flow Rate N/A 2 psi N/A 1 psi N/A N/A 2 psi N/A 1 psi
Initial Pressure (ΔP) at 20 Gallons Per Minute (gpm) Flow Rate N/A N/A N/A 1 psi N/A N/A
Initial Pressure (ΔP) at 57 Liter Per Minute (L/min) Flow Rate N/A 0.1 bar N/A 0.1 bar N/A N/A 0.1 bar N/A 0.1 bar
Initial Pressure (ΔP) at 76 Liter Per Minute (L/min) Flow Rate N/A N/A N/A 0.1 bar N/A N/A
Housing Material N/A Polypropylene
Cap Material N/A High-Flow Polypropylene (HFPP)
Button Assembly N/A 300 Series Stainless Steel Ethylene Propylene Diene Monomer (EPDM) Polypropylene
O-Ring Material N/A Buna-N
Temperature N/A 100 ºF37.8 ºC
Maximum Pressure N/A 100 psi6.9 bar N/A 100 psi6.9 bar N/A 100 psi6.9 bar N/A 90 psi6.2 bar N/A 90 psi6.2 bar
Industry Standards/Certifications N/A Tested and Certified by NSF® International to NSF®/ANSI Standard 42 for material and structural integrity requirements.

International Organization for Standardization (ISO-9001) Registered
Additional Information N/A The high-flow polypropylene (HFPP) cap is available with 3/4", 1" or 1-1/2" NPT inlet and outlet ports. The 1-1/4" 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 a pressure relief button. They accept a wide variety of 4-1/2" diameter cartridges.
Note N/A CAUTION: Protect against freezing to prevent cracking of the filter and water leakage.