Reverse Osmosis (RO) Service and Maintenance Kit with Replacement Filters and Membrane 50 GPD membrane, o-ring, check valve, & (2) 1/8" male x 1/4" female QC elbows...all for RO housing 5 mic. sediment filter, 5 mic. carbon filter, GAC filter, 3 filter housing o-rings and filter wrench Auto shut-off valve, (2) 1/4" male x 1/4" female QC fitting, (2) 1/4" male QC x 1/4" female QC elbow In-line carbon filter, 1/4" PTFE tape, (2) membrane-to-carbon filter clips, & (10) 1/4" white tubing Everything you need to service and maintain your point-of-use RO system!