Penn Plax Clear-Free Premium Under Gravel Aquarium Filter for 20 & 29 Gallon Tanks Acrylic (shatterproof w/ great clarity), in Blue | Wayfair CFU29

Coraline Aquarium Gravel, 20 lbs., Tan

Aquarium gravel with precise grading to permit free flow of nutrients and oxygen to nitrifying bacteria. Keeps water clear. Resists packing channeling and anaerobic dead spots beneath decor. ... more

Cascade 700 Aquarium Canister Filter, 185 GAL

Without effort, the Cascade 700 Canister Filter quietly delivers crystal clear water throughout the tank. This filter cycles water at 185 Gallons per Hour, and is recommended for aquariums up to 65 gallons. It's compatible for both freshwater and... ... more

Cascade 1000 Aquarium Canister Filter, 265 GAL

Without effort, the Cascade 1000 Canister Filter quietly delivers crystal clear water throughout the tank. This filter cycles water at 265 Gallons per Hour, and is recommended for aquariums up to 100 gallons. It's compatible for both freshwater and... ... more

Penn Plax Cascade Aquarium Canister Filters Cascade 700 Aquarium Canister Filter – 185 Gallons Per Hour Aquarium Accessory Acrylic (shatterproof w/ great clarity) | Wayfair

Without effort, the Cascade 700 Canister Filter quietly delivers crystal clear water throughout the tank. This filter cycles water at 185 Gallons per Hour, and is recommended for aquariums up to 65 gallons. It’s compatible for both freshwater and... ... more

Penn Plax Cascade 1500 Aquarium Canister Filter – 350 Gallons Per Hour (gph), Crystal | 20.5 H x 11.5 W x 12 D in | Wayfair CCF5UL

Without effort, the Cascade 1500 Canister Filter quietly delivers crystal clear water throughout the tank. This filter cycles water at 350 Gallons per Hour, and is recommended for aquariums up to 200 gallons. It’s compatible for both freshwater and... ... more

Penn Plax 20 Power Hang-On Aquarium Filter, Crystal in Black/Blue | 4.5 H x 3.75 W x 3 D in | Wayfair CPF6

The Cascade 20 quietly delivers crystal clear water and pushes water at 20 Gallons per Hour (GPH) for tanks up to 7 Gallons in size. It’s great for Freshwater and Saltwater Aquariums. Accommodating: The adjustable flow knob allows for increased or... ... more

Penn Plax Aquarium Filter Wood (best for furniture style stands) in Brown | 0.9 H x 8.8 W x 2.3 D in | Wayfair GV16

Aquarium Gravel Vac is perfect for your aquarium maintenance needs. It's designed for the removal of grungy waste, dirt layers, and debris from the gravel bed at the bottom of your aquarium. Size: 0.9" H x 8.8" W x 2.3" D | Penn Plax Aquarium Filter... ... more

Penn Plax Aquarium Filter | 1.3 H x 8.8 W x 2.5 D in | Wayfair GV24

Aquarium Gravel Vac is perfect for your aquarium maintenance needs. It's designed for the removal of grungy waste, dirt layers, and debris from the gravel bed at the bottom of your aquarium. Size: 1.3" H x 8.8" W x 2.5" D | Penn Plax Aquarium Filter |... ... more

Penn Plax 100 Power Hang-On Aquarium Filter Acrylic (shatterproof w/ great clarity), Crystal in Black/Blue | Wayfair CPF2

The cascade 100 quietly delivers crystal clear water and pushes water at 100 gallons per hour (GPH) for tanks up to 20 gallons in size. It’s great for freshwater and saltwater aquariums. Accommodating: the adjustable flow knob allows for increased or... ... more

Penn Plax Aquarium Filter Wood (best for furniture style stands) in Brown | 0.9 H x 8.8 W x 2.3 D in | Wayfair GV16

Aquarium Gravel Vac is perfect for your aquarium maintenance needs. It's designed for the removal of grungy waste, dirt layers, and debris from the gravel bed at the bottom of your aquarium. Size: 0.9" H x 8.8" W x 2.3" D | Penn Plax Aquarium Filter... ... more

Penn Plax Aquarium Filter Wood (best for furniture style stands) in Brown | 0.7 H x 8.3 W x 2.3 D in | Wayfair GV10

Aquarium Gravel Vac is perfect for your aquarium maintenance needs. It's designed for the removal of grungy waste, dirt layers, and debris from the gravel bed at the bottom of your aquarium. Size: 0.7" H x 8.3" W x 2.3" D | Penn Plax Aquarium Filter... ... more

Penn Plax Aquarium Internal Filter, Crystal in Black/Blue | 9.5 H x 2.5 W x 2.75 D in | Wayfair CIF2

In addition to delivering crystal clear water throughout the aquarium, the Cascade 400 cycles water at 110 Gallons per Hour (GPH) for tanks up to 20 Gallons in size. It’s great for Freshwater and Saltwater aquariums, along with a variety of Terrarium... ... more

Penn Plax 150 Power Hang-On Aquarium Filter, Crystal in Black/Blue | 6.75 H x 7.25 W x 4.75 D in | Wayfair CPF3

The 150 quietly delivers crystal clear water, and pushes water at 150 Gallons per Hour (GPH) for tanks up to 35 Gallons in size. It’s great for Freshwater and Saltwater aquariums. Accommodating: The adjustable flow knob allows for increased or... ... more

Penn Plax Cascade 600 Fully Submersible Internal Aquarium Filter, Crystal in Black/Blue | 11.5 H x 3 W x 4 D in | Wayfair CIF3

In addition to delivering crystal-clear water throughout the aquarium. This filter cycles water at 175 Gallons per Hour (GPH) for tanks up to 50 gallons in size. It’s great for freshwater and saltwater aquariums, along with a variety of terrarium... ... more

Penn Plax Cascade 1000 Aquarium Canister Filter – 265 Gallons Per Hour, Crystal | 17 H x 11.5 W x 10 D in | Wayfair CCF3UL

Without effort, the Cascade 1000 Canister Filter quietly delivers crystal-clear water throughout the tank. This filter cycles water at 265 Gallons per Hour and is recommended for aquariums up to 100 gallons. It’s compatible with both freshwater and... ... more

Penn Plax Cascade 200 Power Hang-On Aquarium Filter, Crystal in Black/Blue | 6.75 H x 7.25 W x 4.75 D in | Wayfair CPF4

The Cascade 200 quietly delivers crystal clear water, and pushes water at 185 Gallons per Hour (GPH) for tanks up to 55 Gallons in size. It’s great for Freshwater and Saltwater Aquariums. Accommodating: The adjustable flow knob allows for increased or... ... more

Penn Plax Cascade Max Flow Aquarium Canister Filter Acrylic (shatterproof w/ great clarity) in White | 23.6 H x 16.6 W x 15 D in | Wayfair CMF1

Without effort the Cascade Max Flow Canister Filter runs at a stunning 820 Gallons per Hour, and is purposely designed for larger aquariums, ranging from 164 to 273 gallons. Though, optimal size is 205 gallons. It’s compatible for both freshwater and... ... more

Penn Plax Small World Aquarium Air Pump & Filter Kit | Wayfair SWK1UL

The Small World Air Pump and Filter Kit is specifically designed for aquariums and tanks up to 5 gallons. In addition to our Small World, New World, and Betta World habitats, this kit is compatible with other tanks in the market. It fits all shapes and... ... more

Penn Plax Aquarium Filter Wood (best for furniture style stands) in Black/Brown | 0.2 H x 6 W x 5.3 D in | Wayfair ONF4

Cascade presents the Powered Aquarium Nano Sponge Filter by PENN-PLAX. This sponge filter is specifically designed for aquariums that house fry, shrimp, and small fish. The two-ribbed sponges trap floating debris without sucking up smaller or weaker... ... more

Penn Plax Cascade Bio-sponge Pads For Max Flow Aquarium Filters in Black | Wayfair CMF1S

Cascade presents Bio-Sponge Replacement Pads for Cascade Max Flow Canister Aquarium Filters. This 2-Pack of Cascade Bio-Sponge Pads is specially designed for Cascade Max Flow Canister Filters, allowing for simple and easy media replenishment. Don’t... ... more

Penn Plax Cascade Canistar Hang-on Canister Aquarium Filter | 11.15 H x 7.65 W x 6 D in | Wayfair CCFH3

Cascade presents the Canistar Hang-On Canister Filter. This filter provides the power and efficiency of a canister filter, with a sleek and convenient hang-on-the-back design. It can either stand alone or be hung behind an aquarium, is great for... ... more

Penn Plax Round Aquarium Tank in Black | 15.75 H x 20.15 W x 20.25 D in | Wayfair AS361

In addition to their sleek and modern design, these bowl-shaped tanks are constructed from scratch-resistant polycarbonate. They’re great for Freshwater and Saltwater setups. The included water pump has a max flow rate of 63.40 gallons per hour. Even... ... more

Penn Plax Aquarium Decoration in Brown/Red | 16 H x 20.5 W x 20.75 D in | Wayfair RR961

Deco-Replicas presents the Large 2-Piece Striped Sail Shipwreck Aquarium Decoration by PENN-PLAX. Add some ominous charm and wonder to your fish tank with the 2-Piece Striped Sail Shipwreck! This fully detailed aquarium decoration makes for a great and... ... more

Penn Plax 1200 Canister Filter, Crystal in Blue | 20.5 H x 11.5 W x 11 D in | Wayfair CCF4UL

Without effort, the 1200 Canister Filter quietly delivers crystal clear water throughout the tank. This filter cycles water at 315 Gallons per Hour, and is recommended for aquariums up to 150 gallons. It’s compatible for both freshwater and saltwater... ... more

Penn Plax Aquarium Accessory, Crystal in Black/Blue | 11 H x 3.75 W x 2 D in | Wayfair CIF21

This filter quietly delivers crystal clear water throughout the aquarium. Its unique design allows it to unobtrusively utilize unused corner space. Furthermore, it cycles water at 120 gallons per hour (gph) for fish tanks up to 20 gallons in size. It’s... ... more

Penn Plax Aquarium Decoration Wood (best for furniture style stands) in Blue/Brown | 5.3 H x 14.8 W x 10 D in | Wayfair RR3106

RECOMMENDED FOR A LARGE TANK: we recommend the Under Water Oasis for aquariums 20-30 gallons in size or larger. The product measures 14.25 x 8 x 15 inches, so please measure your tank and make sure that there’s room in it before purchasing. FULLY... ... more

Penn Plax 1.5 Gallon Betta Aquarium Kit Acrylic (shatterproof w/ great clarity) | 9.5 H x 8.5 W x 6 D in | Wayfair BT1

This 1.5-gallon betta tank kit is perfect for small or unused spaces: a desk, dresser, or even on top of the old file cabinet that hasn’t been touched in years. The tank is made of clear, high-quality plastic, and makes for a perfect Betta home. It... ... more

Penn Plax Aquarium Accessory | 14.5 H x 16.5 W x 5.25 D in | Wayfair RR963

Add some ominous charm and mischief to your fish tank! This fully detailed aquarium decoration makes for a great centerpiece, and is perfect for anything pirate themed! This piece fits comfortably inside 20+ gallon tanks! Made of safe and durable... ... more

Penn Plax Internal Filter, Crystal in Black/Blue | 5.75 H x 2 W x 2.5 D in | Wayfair CIF1

In addition to delivering crystal clear water throughout the aquarium, the Cascade 300 cycles water at 70 Gallons per Hour (GPH) for tanks up to 10 Gallons in size. It’s great for Freshwater and Saltwater aquariums, along with a variety of Terrarium... ... more

Cascade 500 Aquarium Canister Filter, 115 GAL

Without effort, the Cascade 500 Canister Filter quietly delivers crystal clear water throughout the tank. This filter cycles water at 115 Gallons per Hour, and is recommended for aquariums up to 30 gallons. It's compatible for both freshwater and... ... more

Cascade Aquarium Canister Filter, 400 GPH, 15.25 LB

Without effort, the Cascade 1500 Canister Filter quietly delivers crystal clear water throughout the tank. This filter cycles water at 350 Gallons per Hour, and is recommended for aquariums up to 200 gallons. It's compatible for both freshwater and... ... more

Cascade 1200 Aquarium Canister Filter, 15 LB

Without effort, the Cascade 1200 Canister Filter quietly delivers crystal clear water throughout the tank.This filter cycles water at 315 Gallons per Hour, and is recommended for aquariums up to 150 gallons. It's compatible for both freshwater and... ... more

Cascade White Bio-Floss for CCF4/5UL Canister Aquarium Filters, Pack of 6, .25 LB

This 6-Pack of Cascade Bio-Floss Poly Fiber Floss Pads is specially designed for Cascade 1200 & 1500 Canister Filters, allowing for simple and easy media replenishment. ... more

Fluval Aquarium Power Filters, Model 20

Quiet, efficient and reliable Aqua Clear 20 pumps 100 gph. Recommended for aquariums up to 20 gallons. Aqua Clear stands alone as the only aquarium power filter that offers the integrated filtration of the CycleGuard Insert System. Aqua Clear combines... ... more

QuietFlow LED PRO 20 Aquarium Power Filter, 125 GAL

Our filter keeps water crystal clear with a four-stage filtration process including:Mechanical Filtration:Patented dual-sided replaceable dense-floss cartridges filter out more particles and debrisChemical Filtration:Cartridges contain more activated... ... more

SpongeBob Gary Aquarium Ornament, .75" L X .75" W X 2" H, .2 LBS, Multi-Color

This beautifully handcrafted poly resin SpongeBob with Mrs. Puff aquarium ornament is the perfect addition to any under water habitat. ... more

Black Prism Nano Aquarium Kit, 2 Gallon, Black / Transparent

Features a crystal clear plastic aquarium fish tank, Quiet-Power integrated filtration system, and a powerful 18 bulb LED light with low voltage for safety. Great for any novice aquarist. Fun & Function in one aquarium! ... more