The filter has two 1/4" quick connect fittings

Instructions : 1000 GPD COMMERCIAL RO SYSTEM INSTALLATION INSTRUCTIONS

Most all of the generic membranes are a knock off of the early FilmTec design

Also available with 3/8" or 1/2" fittings

Add A Membrane to Your System Add a Membrane Option ::add 1 x 100 GPD Membrane The filter has two 1/4"All RO Systems are designed to have about a 4 to 1 ratio of waste water to pure water made. You can reduce that ratio down to about 2 to 1 by adding this kit. Membrane NOT included. Standard Features Add A Membrane to Your System All RO Systems are designed to have about a 4 to 1 ratio of waste water to pure water made. That waste water ratio is necessary in the process to clean the membrane off and keep it from getting clogged up. You can reduce the