Waterdrop PMT Small Water Pressure Tank, Compatible with Tankless RO System, Fits All 1/4" & 3/8" Water Tubing Undersink RO Filter, Mini Reverse Osmosis Storage Tank for D6 & G2 & T3 & T4

[Convenient Installation] The user manual provides simple instructions on how to install this water pressure tank. You get a 1/4" & 3/8" quick-connect fittings out-of-the-box. All you have to do to complete the installation is to cut off the water outlet tubing of the tankless RO water filter systems, then insert both ends of the tubing into the tank

[Quick-fitting leakag] After installation, please confirm if PE pipe is cut smoothly. If not, cut the tubing squarely and cleanly. Make sure the tubing is fully inserted

[Leakage between ball valve and the tank] Please check if there is a washer connecting the ball valve, if not, please contact us for a new ball valve

[Water doesn't come out] Please check if the internal membrane breaks. Unsrew off the stem and you will see a protruding charging valve, then press the charging valve. If water flows out, it indicates the internal membrane breaks. Please change a new storage tank. If no water flows out, please contact customer service

[NOTE] If you connect ro system to refrigerator through the mini tank, replace the filter in your refrigerator with bypass