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Flow Restrictor 150 GPD

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$7.99  


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Captive Purity

Flow restrictor for 150 GPD membranes—for replacement or when upgrading to a higher GPD membrane.

Please note that these replacement cartridges are interchangeable with Captive Purity`s, Kent Marine`s, and SpectraPure`s RO or RO/DI units. We have researched the best replacement cartridges among these three manufacturers and offer only the best of each below.



**Variations of this product can be found in many online stores. The version we carry is of the highest quality. Although this item is eligible for price matching under our Low Price Guarantee, please be certain the product you want to price match is the same make and model.


Manufacturer Info

Captive Purity manufactures water filtration and water testing supplies for marine and reef aquaria. The brand is best known for their high-quality line of reverse osmosis filter systems and accessories. Captive Purity also produces refractometers for testing salinity, portable pen-sized meters for testing pH as well as replacement filter media for their RO and RO/DI filter systems.

Accessories for Flow Restrictor 150 GPD


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11 Reviewers (18%) would recommend this

Overall Rating:

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“meh”
3.0

This didn't operate any better than the one already in it. Had nothing but problems with my captive purity unit since day one, so ended up buying a different unit that works great!

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“Great”
5.0

I rexently upgraded my rodi from 50 gpd to 100 gpd, so I needed a new restrictor. This product shipped fast, was easy to install and is working great.

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“Nothing Fancy”
4.5

They seem to do their job well. I purchased the 75 gpd for maintenance use on my Captive Purity and I have noticed any change for ratio of production to waste water.

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“Too short :(”
2.0

I thought there would be some wiggle room for adjustment but the 60gpd restrictor came with a very short tubing length. Now my waste ratio is more than 6 to 1 - not good. Can't add length to this to adjust so I'll have to call it a loss and put my 40gpd restrictor back on and cut a little more off t...Read More

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“Excellent”
5.0

Quality, timeliness and total experience was great! I will use marine depot again.

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“EXCELLENT!”
5.0

Arrived, installed, works PERFECTLY right out of the box!

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“75-100 GPD”
5.0

Purchased this with 100 gpd membrane, upgrading from a 60 gpd setup. installed with no problems, slid right in, and its producing as advertised.

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11 Reviewers (18%) would recommend this

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4.5  Star
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4.0  Star
 1
3.5  Star
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3.0  Star
 1
2.5  Star
 1
2.0  Star
 1
1.5  Star
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1.0  Star
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