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After 40+ years the stainless steel shaft on the impeller of my Secondnature 3 filter had worn completely away. That company no longer exists (or perhaps has been bought by Tetra). This Tetra 25870 works perfectly and actually appears to pump at a somewhat higher rate than the original. It arrived quickly, even sooner than the original estimated delivery date. I guess I'm set for another 40 years. Judging from the sppearance, I believe it could be considered a generic replacement for the unknown brands of my other filters.
Verified purchase: Yes | Condition: New
Do you have a noisy filter? It is grinding like a coffer grinder? Well you just might need a new impeller. Always buy the impeller made for your filter and you just might hear your fish swim again. You will add new life to your filter and let is work correctly again. It's like changing your vehicle's tires - works smooth! Tetra - makes this impeller and it fits Whisper and TopFin (PetSmart brand) filters. Thanks for reading and I hope you make the right choose.
Verified purchase: Yes | Condition: New
A good impeller that moves a lot of water. The blades have a little bit of flex so hopefully they won’t break so easily. The Whisper 60 filter itself resonates and sounds like an air conditioner but for twelve dollars it went from zero to hero. It works.
Verified purchase: Yes | Condition: New
Didn’t keep the product something else went bad got rid of entire thing but great product in every way thanks
Verified purchase: Yes | Condition: New
I've never had an impeller with such impelling capabilities. I'm almost compelled to buy another even though I don't need one!Compelling impeller
Verified purchase: Yes | Condition: New