| Whisper In-Tank Filters 40i - Space-saving design enables the same quality and performance as external filters without the noise. Whisper In-Tank Filters offer 3-stage filtration performance and quiet operation. Mount discreetly inside your aquarium for clean, clear water and the added convenience of placing your aquarium flush against a wall. Adjusts easily to high or low water levels (as low as 2") with mounting suction cups and/or bracket. Includes one pre-assembled Whisper Bio-Bag filter cartridge. Additional filter cartridges... |
$22.99 |
| Tetra Whisper In-Tank Filters 40i - Designed for tanks holding 20-40 gallons of water Mounts inside aquarium Virtually silent operation Works in as little as 2 inches of water Whisper In-Tank Filters mount on the inside of the aquarium, making it possible to place the tank flush against a wall. The In-Tank Filter will function in as little as 2 inches of water, making it ideal for turtle tanks, or for creating a waterfall. The In-Tank filter adjusts easily to high or low water levels with mounting suction cups and/or bracket... |
$25.99 |
| Whisper In-Tank Filter 40i - 170 gph - This is a super quiet power filter that is good for a 20-40 gallon tank. It is easy to conceal inside your aquarium, hide it behind a plant or other decorative object and from the front it is practically invisible. |
$26.99 |
| Tetra Whisper In-Tank Filter 40i (uses large bio-bag) - > Tetra Whisper In-Tank Filter 40i (uses large bio-bag) |
$27.99 |
| Second Nature Whisper In Tank Filter 40i |
$33.14 |
| Whisper In-Tank Filter PF-40i - For the ultimate in convenience and quiet, choose a Whisper In-Tank Filter. These filters mount on the inside of the aquarium, rather than hanging from the outside -- making it possible to place the tank flush against a wall. In-Tank Filters are unusually quiet, since the motor is under the water. Offering the same quality and performance as an external filter, the Whisper® In-Tank Filter will function in as little as 2 inches of water -- making it ideal for turtle tanks, or for creating a waterfall... |
$27.99 |
| Tetra® Whisper® InTank Power Filter 40i - For the ultimate in convenience and quiet, choose a Whisper® In-Tank Filter. This power filter mounts on the inside of the aquarium (great for tanks up to 40 gallons), rather than hanging from the outside -- making it possible to place the tank flush against a wall. The In-Tank Filter is unusually quiet, since the motor (a powerful 170 GPH) is under the water. Offering the same quality and performance as an external filter, the Whisper® In-Tank Filter will function in as little as 2 inches of... |
$29.99 |
| Tetra Bio Foam Grid for Whisper In-Tank Filter Whisper 20i & 40i Bio Foam Grid - Tetra Whisper Bio Foam Grid replacement kit. Bio Foam provides an extreme amount of surface area for optimal biological filtration in the Tetra In Tank Whisper power filters. The Bio-Foam Grid fits the Whisper In-Tank Power Filter. Each Whisper Bio Foam Kit includes foam and a plastic frame. For best results, replace the Bio Foam Grid according to the manufacturers recommended maintenance schedule. |
$2.59 |
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