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APEC WATER

APEC Water CWS-300, Spot Free Water Deionization Car Wash System

  • Based on 150 reviews
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Availability: In Stock.
Fulfilled by APEC Water Systems
Arrives Monday, Aug 31
Order within 19 hours and 56 minutes
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Style: Car Wash System


Features

  • No hand-dry needed. Removes 100% of all spot causing impurities
  • Deionized water makes the colour/paint/chrome/glass shine as bright as absolutely possible
  • Work smarter, not harder and spend less time and money to get the same professional looking results
  • Versatile use suitable for residential usage; NOT for commercial use
  • 20 super efficient DI filter captures dissolved solids and releases hydrogen and oxygen when water passes through, making the colour, paint, chrome, and glass shine as bright as possible

Description

The APEC Spot-Free Car Wash Filter System effectively remove all of its mineral ions to produce ultra-high purity water without developing scale buildup. This point-of-use combo system can effectively filter out mineral ions such as sodium, calcium, iron, copper, chloride, sulfate, nitrates, phosphates, silica, and ammonia to deliver clean and spotless water to your water hose. Maximum Dimensions: 12" x 19" x 35" Weight: 51 lbs Maximum Temperature: 100ºF Maximum Pressure: 90 psi Initial Pressure Drop: 1 psi @ 15 GPM flow rate Input & Output Line Size: 3/4" FPT Bypass Adapter Standard Capacity (gal.): CWS-300 captures dissolved solids and releases hydrogen and oxygen when water passes through. This process is called deionization. The deionized water can pull out haze-inducing dirt on the molecular level which has settled in to the surface, making the color, paint, chrome, and glass shine as bright as possible. CWS-300 uses two 20” BB DI specialty filters to effectively remove all of its mineral ions including sodium, calcium, iron, copper, chloride and more, producing ultra-high purity water without developing scale buildup. Widely used on automobiles, SUV, Truck, RV, motorcycles, boats, house hold window & roof cleaning and other applications, CWS-300 can get jobs done easily which you would normally take hours to finish. Deionized water dries spot-free. No hand-dry needed. You can just wash, rinse and let it shine! The moveable stand makes it convenient to relocate to different locations for various applications. The cartridges are easy to install and replace with equipped tools by following detailed instruction manual. A Legacy of Excellence in Water Filtration For over 20 years, APEC Water Systems has been a trusted leader in high-quality water filtration. Built on innovation, science, and sustainability, we ensure pure, safe, and great-tasting water. Our advanced reverse osmosis and whole-house filtration systems meet the highest standards for performance and reliability. Join millions who trust APEC for better water, better living.

Product Dimensions ‏ : ‎ 30 x 15 x 10 inches; 51 pounds


Item model number ‏ : ‎ CWS-300


Date First Available ‏ : ‎ September 29, 2016


Manufacturer ‏ : ‎ APEC Water Systems


Best Sellers Rank: #153,333 in Automotive (See Top 100 in Automotive) #1,996 in Cleaners


#1,996 in Cleaners:


Customer Reviews: 4.1 4.1 out of 5 stars (150)


Other Special Features of the Product: Reduce TDS


Installation Type: Freestanding


Purification Method: Deionization


Brand Name: APEC WATER


Included Components: filter


Model Name: CWS-300


Model Number: CWS-300


UPC: 854961005952


Global Trade Identification Number: 52


Manufacturer: APEC Water Systems


Number of Items: 1


Unit Count: 1 Count


Number of Packs: 1


Item Type Name: APEC Spot Free Water Deionization Car Wash System CWS-300


Part Number: CWS-300


Item Weight: 51 pounds


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Aug 31

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Similar Products

Top Amazon Reviews

    • Easy to use and works great
Style: Car Wash System
Easy to use and does a wonderful job at leaving my vehicles spot free. Our water leaves spots badly and this is a sure fix. You do have to replace the filters occasionally but it’s worth it.
Reviewed in the United States on May 28, 2026 by DKoehn
    • It works!
Style: Car Wash System
I bought this to help speed up and take some of the work out of washing our large motorhome that is dark in color. We’re on spring water here, and it had always left spots so I had to hand dry it as I was washing it in order to get to the drying before it spotted. I now ONLY wash and rinse and have zero water spots. Filter life is heavily influenced by haw many impurities your filtering out, our water isn’t that bad and this is coming up on 2 years now for us and I’ve still now replaced the filters. That being said I’m not washing the motorhome every month either. Just washed the motorhome and superduty Ford yesterday and still no spots on either. ... show more
Reviewed in the United States on April 17, 2025 by Tooltime
    • Filters dont last very long!
Style: Car Wash System
Loved this thing for the first 60 days, it worked great, no need to dry or wipe down your vehicle or windows. That lasted for a few times of use, now its leaving spots on my windows and my truck! Filters are way too expensive to replace for the amount of times I used it. Amazon said I missed the return window by one week but I'm gonna try to return anyway. Really sad about the performance of this product, I've used Apec products for years and they usually perform great. Unless you don't mind spending 80 bucks every 3 months on filters I'd pass on this one! ... show more
Reviewed in the United States on May 24, 2024 by Harmon
    • Great system!
Style: Car Wash System
I didn’t purchase the system for washing vehicles but it did a great job in quickly rinsing off my truck and leaving it spotless. I purchased the APEC 300 for washing house windows. Living in an area with very hard water, containing many minerals, washing windows was a waste of time leaving leaving the windows spotted with water mineral stains. The APEC left them crystal clear with no water spots. It paid for itself with the first cleaning considering the going rate for cleaning windows is $300 in our area. This is my second spotless cleaner and the APEC filter system is much easier to handle with the filters encased in hard plastic shells. I was going to give it four stars for manufacturing deficiencies because the holes for the stand and handle didn’t quite line up with the frame holes but it was an easy fix with my DeWalt power drill and running a 1/4 inch drill bit through for alignment. Overall, very pleased with the product. ... show more
Reviewed in the United States on July 23, 2019 by William M.
    • Works longer with modification
Style: Car Wash System
Review Image by Harald L.
Review Image by Harald L.
Review Image by Harald L.
Some reviews indicate the filters don't last long and that is true if used for the whole wash process. The filters should be used only for the final rinse which is complicated by need to swap the hose feeding the filter with your spray nozzle or pressure washer. I dislike quick disconnects. I tried cheaper two way hose splitters with valves at both ends with a short hose for the bypass, but the splitters did not hold up and started leaking. So I am using the rather over engineered design in my attached photos. There is another vender that has basically the same filters and cart, and includes a bypass but uses the cheaper splitters. I used this rig for two years on multiple vehicles and this year I will be changing cartridges. Unfortunately on of the plastic housings is cracked. I live where the winters can get really cold and a store the Apec system in n unheated garage. That said, I tried the drain the water out last fall, but apparently did not get it all. Next winter it goes to the basement. I have ordered an Apec 20inch housing which should replace the broken bits but at a cost of $80. Next winter it goes to the basement. ... show more
Reviewed in the United States on April 6, 2025 by Harald L.
    • Best tool I have for washing cars
Style: Car Wash System
I was skeptical that anything would work on our HARD water. Tested this out on an older vehicle first, before risking it on my new car. Seemed to work fine, so I used it to wash my new car, and it work beautifully. I didn't have to constantly re-rinse the car to keep it from drying. By the time I finished washing, half the car was completely dry, and not a single water spot. I'll probably have to change cartridges fairly often, due to how terrible our water is, but it's worth it! ... show more
Reviewed in the United States on May 26, 2022 by jonj
    • It’s okay
Style: Car Wash System
Will update as we go: Our first one leaks right where the two filters connect so contacted Amazon for a replacement and just got our new replacement. So hopefully the new one doesn’t leak. As for water spots uncertain as we just used it for the first time, we have extremely hard water and it did help a little bit but I wonder if it’s because it was the first time. Will update as we go and use it more Update: has done a few washes with it now! Our first system was definitely flawed and our new one right out of the box didn’t need to be filtered through! Barely left water spots and we have very hard water also! So far liking it! ... show more
Reviewed in the United States on July 29, 2024 by Tegan
    • Leaving water spots after second use
Style: Car Wash System
Bought new filters for $140 bucks, washed my motorcycle, then about 6 weeks later I washed my 35 ft RV. Started leaving spots about half way through the wash. I tested a DI water sample was 110 ppm, tap water is 160 ppm. They say 50 PPM is max until you need to change the filters. Seems odd that the filters are ineffective so soon? Should I have drained the filters between washings? ... show more
Reviewed in the United States on January 5, 2025 by Amazon Customer

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