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Replacement In-Line Water Filter
Item# 37244A
Replacement In-Line Water Filter is rated 4.5 out of 5 by 26.
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In-line water softener and deionizer reduces nasty water spots. Comes with everything to connect to your favorite car washing hose.More Details+
Price $139.99

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Replacement In-Line Water Filter
Replacement In-Line Water Filter
Price $139.99
+
TDS Meter
TDS Meter
Price $19.99
  • Product Information
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If you live in an area where the water is hard, full of minerals, and are tired of seeing your car-washing efforts end up in water spots, then we have a great solution for you. This In-Line Water Softener & Deionizer removes minerals from tap water to end those dreaded spots. Now it's possible to rinse the car and dry it off without the worry of my glass and paint spotting before you can get to it. Simply attach to your hose spigot. The green crystals change to purple, indicating when it's time to replace the filter. A revolutionary way to give your car that final rinse. Measures 13" long, 4 1/4" in diameter.

How long do refills last?
TDS Level (ppm)Expected Yield in Gallons
50396
100198
20099
30066
40049
50040
Rated 3 out of 5 by from Works, but needs more development. It works well and is easy to setup and use. However, I am only getting about 8-10 car washes with it, before the filter needs replacement . I conserve water when I wash my baby, so this is an expensive way to keep the car good. I am also encountering sediment from the filter making its way through, which can scratch the car's finish. So, this products needs more development for the price. The cost benefit, just isn't there in my opinion.
Date published: 2014-07-09
Rated 4 out of 5 by from Works great - doesn't last long.... I am using this item as the water in my area is very hard. It absolutely softens the water and does not leave any water spots, so it does exactly what it says. The only issue is that it does not last long. I've gotten less than 10 washes out of it. I could go to a full service car wash for the same price. Not a great value, but like most people on Griot's, we like to wash our cars ourselves and when I do, this works.
Date published: 2014-08-22
Rated 5 out of 5 by from Your paint will thank you I wanted this and was fortunate to receive it as a birthday gift, as the only gifts I want are things for my car. I no longer worry about washing my Viper. Out here in Arizona our water is rediculously hard. Using this, I get much better suds with the car shampoo. Night and day. I use the "2 bucket" method with grit guards in the buckets and a foam gun on the hose. With that, and drying with a leaf blower, I have not put a single scratch on the car in the past year. With the filter, after the rinsing spray I hit it with the leaf blower and it all just evaporates leaving nothing behind. Impressive for how hard our water is. You don't punish your paint and your wax lasts longer. People are saying they only get 10 washes and I don't know how that is possible. They must be leaving it running. I spray the car, spray with foam gun, do the 2 bucket wash, rinse car, foam again if I missed a spot, take nozzle off and sheet the water off, and then leafeblower it dry. I have 5 washes or so on the Viper and a couple on my 4 door ram and it is barely beginning to turn color and only on on end. If you want to protect your car, I think it is worth it. And going to a "full service car wash" is more expensive per wash (much more) and they destroy your paint at those places. Don't believe me? Watch them use the same rag on 10 cars in a row, on wheels and undercarriage and then they take it to your paint. I hope you enjoy those swirls. IMO, definitely worth the price and I love how much easier washes are and how much better they are
Date published: 2014-11-10
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approx. how many gallons will this unit handle before a new filter is required?

Asked by: Chris W
The amount of gallons that this unit can handle before a new filter is required will depend on your TDS level (see chart on our product page).
Answered by: gg_Brian
Date published: 2017-08-11

How many washes do you get out of this before you need to replace the filter ? We have a lot of iron in our water.

Asked by: Miss350
The amount of car washes per filter can very greatly depending on your TDS level (Total Dissolved Solids) in your water. You can contact your local water company for the TDS level in your area, but for a more accurate reading you would need to test the TDS levels at your location. Our 33480 TDS Meter is great way to precisely identify your levels.
Answered by: GG_Kraig
Date published: 2015-01-12

How many washes can I get out of this?

Asked by: Stew
The amount of car washes per filter can very greatly depending on your TDS level (Total Dissolved Solids) in your water. You can contact your local water company for the TDS level in your area, but for a more accurate reading you would need to test the TDS levels at your location. Our 33480 TDS Meter is great way to precisely identify your levels.
Answered by: GG_Kraig
Date published: 2017-12-29

Can you still eliminate water spots if you wash the car with regular tap water and then attach the filter for the final rinse?

Asked by: 327pickle
Yes most definitely. We would recommend washing the car, rinsing it once, then come in with a final rinse using the In- Line Water Softener & Deionizer.
Answered by: Tanya
Date published: 2016-06-17

aprox. how many gallons does this treat?

Asked by: loominartyparty
The amount of car washes per filter can very greatly depending on your TDS level (Total Dissolved Solids) in your water. You can contact your local water company for the TDS level in your area, but for a more accurate reading you would need to test the TDS levels at your location. Our 33480 TDS Meter is great way to precisely identify your levels.
Answered by: Tanya
Date published: 2017-12-29

How much does this weigh?

Asked by: Aflgafl
The In-Line Water Softener & Deionizer With Fittings weighs 5.5 pounds.
Answered by: GG_Kraig
Date published: 2016-06-15

About how many car washings per filter?

Asked by: Bentley
The amount of car washes per filter can very greatly depending on your TDS level (Total Dissolved Solids) in your water. You can contact your local water company for the TDS level in your area, but for a more accurate reading you would need to test the TDS levels at your location. Our 33480 TDS Meter is great way to precisely identify your levels. Below is a chart that can help you identify how many gallons you can expect based on the TDS level. TDS Level Yield in Gallons 50 396 100 198 200 99 300 66 400 49 500 40
Answered by: GG_Kraig
Date published: 2015-05-07

Hello I am looking for an in line water softner for our coffee maker at work.  It auto fills from tap water.  We have an in-line filter but the hard water here is damaging the valves, etc.  Is this safe to use on drinking water?

Asked by: JimM123
We would not recommend to use the In-Line Water Softener System for drinking water.
Answered by: GG_Vikki
Date published: 2015-12-11
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