This Pentek 166201 #20 Big Clear (SAN) Blue/Clear w/PR offers on-site examination of flow, performance, and cartridge life and are ideal for a variety of applications. The 1" polypropylene caps are available with a pressure-relief button on the inlet side to relieve pressure inside the housing. The cap is available with 1" NPT inlet and outlet ports. The 1-1/2" internal port allows a greater volume of liquid to pass through the cap more rapidly. 

Features:

• Large capacity housing suitable for high flow applications
• Pressure relief/bleed on inlet side of cap
• Accepts up to 4-1/2" diameter cartridges

Specifications:

• Housing: SAN (#20)
• Cap: Polypropylene
• Button Assembly: 300-Series stainless steel, EPDM, and polypropylene
• O-Ring: Buna-N
• Temperature Rating: 40-100F (4.4-37.8C)
• Maximum Pressure: 90 psi (6.2 bar)

This Pentek 166201 #20 Big Clear (SAN) Blue/Clear w/PR is a single filter housing purchase. Big Clear filter housings are available in multiple sizes (as depicted in the image above)