
Replacement filter set for Apec reverse osmosis system. Please note that these filters need to be changed about once a year. There is another filter sold separately that you change every 3 years (or so depending on usage). To replace them, and I've done that twice already, you need to put a towel under the canisters. as they will definitely spill water on your floor. This is unavoidable. So get ready to spill. Also note that canisters can become VERY cramped after a year of use. I ended up having to use large channel locking pliers to remove the canisters as the plastic "wrench" that came with the filter wasn't strong enough. Great filters and I will probably buy them for 3 years next time.

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