Reverse Osmosis System Filters, RO Membranes and Parts

AquaSky Water Filters ®

Aquasky ® ROT-4 Tank is the tank number for a standard tank used on many, many reverse osmosis systems. Most are systems using standard size replacement filters and reverse osmosis membranes. For help matching up your system see:

Standard Reverse Osmosis systems using standard size replacement filters and RO membranes.

While the tanks in the help file may look different from the Aquasky ROT-4, look to match the described configuration of the filters. The systems shown are using other generic tanks in place of the Aquasky ROT-4.

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Be sure to check our Parts Department for important parts such as TDS Testers For Reverse Osmosis Membranes, Replacement Tanks, O-rings , Filter Housing Wrenches, Faucets, Pumps, Fittings, UV Systems and more parts for your reverse osmosis pure water filtration system.   View maintenance and servicing tips online at our Installation & Trouble shooting Guide.