Pentek 3G Slim Line filter housings are an excellent choice for low-flow applications and when space and chemical compatibility are primary concerns. This patent pending Third Generation (3G) design features integral brackets, John Guest Super Speedfit quick connect fittings and caps for differential pressure gauges. The patented 3G housing accepts standard double open end (DOE). 3/4" NPT Inlet/Outlet Buttress threads and uniform walls for easier cartridge change and improved strength. Improved pressure-relief/bleed button option available. Leak-proof sealing with top-seated floating Buna-N O-ring. Clear housings offer on-site examination of cartridge. 3G Standard Filter Housings are manufactured from a durable polypropylene for excellent chemical compatibility. Materials of Construction Opaque Housing: Polypropylene Clear Housing : Styrene Acrylonitrile Cap: Reinforced Polypropylene Button Assembly: 300-series Stainless Steel, polypropylene and EPDM O-Ring: Buna-N Maximum Temperature: 125F (51.7C) Maximum Pressure: 125 psi (8.62 bar) Dimensions: 13-3/8" x 5-1/4" Initial Pressure (psi) @ Flow Rate (gpm): 2 psi @ 5 gpm Mounting Bracket (not included) *Picture is representative of the actual product"