Amazon.com: Pentair Pentek BBFS-22 Big Blue Two-Housing Filtration System, 1" NPT #20 High Capacity Water Filter Housing, Holds 20" x 4.5" Filter Cartridges : Tools & Home Improvement
Amazon.com: Pentair Pentek 158642 3G Slim Line Filter Housing, 3/8" NPT #10 Under Sink Opaque Water Filter Housing, Integral Bracket Cap with Pressure Relief Button, 10 Inch, Black/Blue : Patio, Lawn & Garden
Amazon.com: Pentair Pentek 150067 Traditional Standard Filter Housing, 3/4" NPT #10 Opaque Water Filter Housing with Mounting Bracket Cap and Pressure Relief Button, 10-Inch, Black/Blue : Patio, Lawn & Garden
Pentair 20" Big Blue Housing w/ Pressure Release, 3/4", 1" or 1.5" Ports
Pentair Pentek 150550 3G Standard Filter Housing, 3/4" NPT 10 Opaque Water Filter Housing with Integral Bracket Cap and Pressure Relief Button, 10-Inch, Black/Blue: Replacement Water Filters: Amazon.com: Industrial & Scientific