Tetra – Whisper BIO-Bag Filter Cartridges – Large – 8 Pack, Packaging may vary

Price: $17.97
(as of Feb 19, 2026 09:01:16 UTC – Details)

Tetra large whisper filter cartridges keep water clear for healthier fish. Cartridges are easy to assemble and should be changed monthly.
Product Dimensions ‏ : ‎ 12.06 x 17.78 x 17.78 cm; 230 g
Date First Available ‏ : ‎ June 14 2017
Manufacturer ‏ : ‎ Spectrum Brands Canada Inc.
Place of Business ‏ : ‎ Spectrum Brands Pet LLC, 3001 Commerce St.Blacksburg, VA 24060, 1-800-645-5154
ASIN ‏ : ‎ B0721Q1NSK
Item model number ‏ : ‎ 77870
Country of origin ‏ : ‎ USA
Best Sellers Rank: #2,405 in Pet Supplies (See Top 100 in Pet Supplies) #17 in Aquarium Filter Accessories
Customer Reviews: 4.6 4.6 out of 5 stars (323) 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); } }); });

Large filter cartridges
Change monthly
Keep water clear for healthier fish