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Your cart is empty.Calcium carbonate refill bag (for rxgy-a01) (10-ea) 54-22120-0) neutralizes acidic condensate from high-efficiency gas furnaces; connects using 1/2 in. I.D. Tubing; calcium carbonate filter material should be changed yearly.
Marc
Reviewed in Canada on January 3, 2025
Item not as described. Do not buy.
Serg
Reviewed in the United States on June 6, 2022
This isn’t calcium at all, just rocks… completely useless
Marcia
Reviewed in the United States on September 25, 2021
This product did not work. We tried it many times.
Hany
Reviewed in the United States on May 23, 2021
Good
sorin coman
Reviewed in the United States on October 26, 2021
Rocks from Home Depot garden section
Customer
Reviewed in the United States on October 19, 2021
Do not buy this for $14 for 10 pieces of whiterock. Go out in your driveway and get a handful because this is the same thing. Do your research!
Ryan
Reviewed in the United States on August 20, 2019
Took forever to arrive and only a few rocks on a bag.
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