Flat Cap Slim Line Series

Main Content Starts Here

Flat Cap Slim Line Series

Pentair Pentek Flat Cap Slim Line Filter Housings are manufactured of a durable polypropylene or clear Styrene-Acrylonitrile (SAN). These housings are available in 10" lengths, while the caps are available with 1/4" or 1/2" NPT connections.

Opaque Flat Cap Slim Line housings, molded from rugged reinforced polypropylene, offer outstanding chemical compatibility and are ideal for use in a variety of low-flow applications. These applications include undersink and countertop residential filtration, pre- and post-reverse osmosis filtration, recreational vehicle filtration, food service and humidifying systems.

Clear Flat Cap Slim Line housings offer on-site examination of flow, performance, and cartridge life. They are also ideal for a variety of applications.

Features and Benefits

  • Slim design reduces space required for installation without sacrificing capacity
  • Available in 10" length
  • Available in clear or opaque sumps
  • Leak-proof seal


  • The 158739 is Tested and Certified by NSF International to NSF/ANSI Standard 42 for material and structural integrity