Amazon [amazon.com] has 20-Gallon Tetra Whisper IQ Power Filter, 130 GPH, with Stay Clean Technology for $23.17 - $11.59 when you 'clip' the coupon on product page = $11.58.
Shipping is free with Prime or on $35+ orders.

Price
$11.59 lower (50% savings) than the list price of $23.17

Savings
Save an extra $11.59 on your first Subscribe and Save order. (check and activate [amazon.com])

Subscribe & Save
0%: $11.58
5%: $10.42
Add to next delivery [amazon.com] (with free shipping)
fillers [amazon.com]

Customer reviews
4.2⭐ / 12,713
2,000+ bought in past month

amazon.com/dp/B01NC2P7BM [amazon.com]

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