COMPLETE-20inch big blue housing,1"NPT inlet/outlet,with pressure release button for high flow,plastic wrench and metal bracket.Housing only, filter cartridges are sold separately.Pack of 3.
STANDARD-Fits all standard sized 4-1/2 inch diameter industry 20 inch whole house cartridges
HIGH QUALITY-Fits NSF standard,Large capacity housing for high flow applications
WARRANTY-One year limited warranty
RESPONSABLE MANUFACTURER- ISO9001:2008 certificated Manufacturer ,also Member of Water Quality Association (WQA)