COMPLETE-Complete set 20 inch big clear housing,1"NPT inlet/outlet,with plastic wrench,screw and metal bracket.Pack of 3 .
CONVENIENT-Clear housing allows you to see when you need to change filters and everything else works as it should.Housing only, filter cartridges are sold separately .
HIGH QUALITY-Fits all standard sized 4-1/2 inch diameter industry 20 inch whole house cartridges.Fits NSF standard,Large capacity housing for high flow applications.
WARRANTY-1 year limited warranty,30 Days Money Back Guarantee.
RESPONSABLE MANUFACTURER- ISO9001:2008 certificated Manufacturer ,also Member of Water Quality Association (WQA).