Tetra Whisper 4i Internal Power Filter, Filtration for Aquariums Between 1 and 4 Gallons

Price: $29.99 - $11.87
(as of Jul 27, 2025 06:51:30 UTC – Details)

The Tetra Whisper 1-4 Internal Filter for aquariums is a quiet, dual stage filtration system. This submersible filter mounts on the inside of the aquarium, rather than hanging from the outside, making it possible to place the tank flush against a wall and easily hide with tank decor. The water flows through Ultra-Activated carbon, absorbing odors and discoloration, as well as through the cartridge floss, trapping debris and fish waste. UNIVERSAL DESIGN: Tetra Whisper 1-4 Internal Filter is a dual stage water filter system. INTERNAL FILTER: Mounts on the inside of your aquarium. CATCHES DEBRIS: Dense mesh filters debris and fish waste. CONVENIENT DESIGN: Uses easy to change Whisper Filter Cartridges; filter mounts inside aquarium, making it possible to place tank flush against the wall. USE IN: Aquariums 1-4 gallons in size.
Product Dimensions ‏ : ‎ 3 x 3 x 7.38 inches; 9.14 ounces
Item model number ‏ : ‎ AQ-68056
Department ‏ : ‎ Unisex-Adult
Date First Available ‏ : ‎ October 12, 2018
Manufacturer ‏ : ‎ Spectrum Brands Pet LLC
ASIN ‏ : ‎ B07JC6LST2
Country of Origin ‏ : ‎ China
Best Sellers Rank: #1,922 in Pet Supplies (See Top 100 in Pet Supplies) #4 in Aquarium Filters
Customer Reviews: 4.2 4.2 out of 5 stars 21,593 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });

FOR 4 GALLON aquariums: This Whisper Internal Power Filter uses small filter cartridges and adjusts easily to high or low water levels.
27 GPH PUMP: The internal 27 GPH pump cycles a 4 gallon aquarium more than 6 times per hour.
TWO FILTERS IN ONE: Cartridge floss catches debris and fish waste, while Ultra-Activated carbon removes odors and discoloration.
SPACE-SAVING DESIGN: Your aquarium can be flush to the wall with the internal filter designed to clip on your tank wall and be hidden by décor.
EVERYTHING YOU NEED IS INCLUDED: This pack contains the hinged lid, tank clip, internal filter and filter cartridge.