iSpringFlow Restrictor/Flow Limit 1500#AFR1500: Home Improvement. Compatible with most Reverse Osmosis systems of more than 200GPD (including brand names) in the market for 。 To be installed on the DRAIN line 。 Compatible with ISPRING 200GPD, 300GPD, and 400GPD systems 。 The ratio of product water to waster water is about 1:2. For every 1 gallon of RO water produced, the waste water is 2 gallons. 。 1/4” fitting 。 Flow restriction is required for all reverse osmosis systems at the drain line to keep an optimal waste water flow, and is recommended to be replaced each time the membrane is being replaced, in order to maximize the system efficiency. The restrictor must be sized according to the capacity of the membrane. AFR1500 is designed for ro systems with 200 - 400 gpd. 。 。 。
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