Amwater Stainless Steel Filter Housing for Filter Cartridge, Water Filter Housing for Whole House Water Purification of Stainless Steel 304 (10" C Housing-1 NPT) - Amazon.com
Stainless Steel (304) Filter Housing 1" #20 Big Blue Style (4.5" x 20"): Clean Water Store
Customized medical 304 316 316L stainless steel filter mesh cartridges from HENGKO
316 Grade 20 In. Stainless Steel Cylindrical Cartridge | Purchase the 316 SS 20C316-SC Filter Cartridge at Serv-A-Pure