ROT-4 Liter 18 / Gal 4.5


Model Number


Total Tank Volume

Liter 18
Gal 4.5


cm 28.0
inch 11.0

Height( Base Including)

cm 35.1
inch 13.8


Kg 3.4
Lbs 7.5


Kg 3.8
Lbs 8.4

Shipping Volume

CUF 1.08

ROT-4|Standar Reverse Osmosis Tank|Water storage tank|Aquasky

1.Standard Reverse Osmosis Tank 18L per Hour.  Suitable for 4 people.
2.Diaphragm membrane storage tank for Reverse Osmosis system. 
3.Large volume of storage. 
4.Rubber membrane produced according to the DIN 4807 regulation
5.Tasteless water zoon, none rubber smell or plastic smell. 
6.Polypropylene liner and the diaphragm membrane create a water zone to avoid water contact with the tank metallic surface, so the tank is able to use for drinking water. 
7.The Stainless steel water connector is a perfect connection for water pipe with lead free and chemical free. 
8.100% made in Taiwan
9.Certification: CE, ISO9001, NSF58
10.High level of customization
11.Epoxy powder exterior painting to guarantee a high level of protection against oxidation and a fine aesthetic final quality
12.The industries ONLY fill 100% Nitrogen per-charge RO storage tank. To avoid temperature change creates the per-charge change. 
13.100% pressure tested.

Aquasky products are 100% manufactured in Taiwan, sold to the United States, Europe, Asia and other countries. Aquasky products are 100% pressure tested.  Aquasky invented the leak-safe technology and applied on the stainless connector for the pre-pressurized water storage tank, and they are the standard of the industry for drinking water tank. The polypropylene liner and the butyl diaphragm are made with FDA materials and prevent water from making contact with the metal tank for cleaner, fresher, better tasting water. 

Aquasky product is safe to use due to which is made by steel. Rot-4 are widely used in the office. Rot-4 is standard Reverse Osmosis Tank 18L per hour, and is suitable for 4 people. Aquasky's RO-Plus products with professional and advantages is your best choice.
The butyl rubber is made with a unique ingredient and compound which has the best air resistance comparing with other tank in the marker. Brass cap with internal O-ring guarantees no air loss from air-vent. No maintenance is needed during the service life. All RO-PLUS tanks are manufactured at our ISO 9001:2008 registered facilities. NSF listed as the highest standard for RO tank. IAPMO and CE certified for the safest pressure vessel in the market. Certification: CE, ISO9001, NSF58.