My new Samsung fridge broke the internal water filter bracket. I think maybe due to using non-Samsung water filters? Instead of an expensive repair, I opted for this external water filter. That should be great in the long run because the internal water filter needs to be changed every 300 gallons and the water filter needs to be changed after an absurd 10,000 gallons?! Installation was easy. Cut the plumbing leading to your refrigerator. My installation is a polyethylene pipe. Insert the two cut ends into the appropriate holes in the filter. There is an inlet and an outlet. Then gently pull on the hose to seal it. It uses John Guest connectors instead of brass fittings. Surprisingly I didn't have a leak. I usually get leaks on a brass fitting which I fix with a tune up. Then install the filter on a wall or refrigerator. No trouble. How well does it filter? I have no way of testing this. The seller told me it is or will be NSF 42 and NSF 61 certified with an option to NSF 53. NSF 53 seems like a magical certification. Original Samsung filters are NSF 53 and NSF 42, and every cheap fake is NSF 42. NSF 42 filters out the smell and taste of tap water that everyone hates. NSF 53 certified filters filter out specific health contaminants, while NSF 61 certified filters filter out another specific group of health contaminants. With all of this, you can easily go down the rabbit hole. I'm not sure how all of this will affect the average person, but as far as this Woder water filter goes, I can say that the filtered water doesn't smell or taste like water straight from the tap.
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