 | Well Cover O-Ring for Fluval 303 and 403 Canister Filter Brand: ROLF C HAGEN Part Number: A-15830 Replacement O-Ring that fits around the impeller well cover of the Fluval 303/403 filters. | *$2.00 |
 | Fluval 4 Plus Carbon Pads 4-pack - Fluval A197 Brand: ROLF C HAGEN Part Number: A197 Fluval 4 Plus Carbon Pads 4-pack - Fluval A197. | *$2.15 |
 | Hagen Diaphragm Maxima Optima R for Air Pumps A805, A806, and A807, 2 pieces Brand: ROLF C HAGEN Part Number: A18360 Maxima, Maxima R, Optima - Diaphragm Set | *$2.18 |
 | Foam Block for Fluval 404 and 405 - 2 pk Brand: ROLF C HAGEN Part Number: A226 Fluval Foam provides mechanical straining of particulate waste from prematurley clogging other filter media in the Module Stack of the Fluval 404 405. Although the primary purpose of Fluval Foam is mechanical filtration, biological activity will eventually occur within its pore structure. | *$2.25 |
 | Flexible Coil Brush Brand: ROLF C HAGEN Part Number: 10682 Clean all your filter parts and aquarium corners with this flexible coil brush. Convenient and easy to use. | *$2.29 |
 | Extension Tube with Strainer for Aqua Clear Mini, 150 and 200 Filters Brand: ROLF C HAGEN Part Number: A625 The extension tube will increase the efficiency of the Aqua Clear filter by allowing it to reach deeper into the tank. This is the replacement extension tube and strainer for the Aqua Clear 20, 30, 50, 150, 200, and Mini filters. | *$2.30 |
 | Foam Insert for Aqua Clear 50 and 200 - 3 pk Brand: ROLF C HAGEN Part Number: A1394 Remove larger particles of fish waste and other debris before it clogs your chemical and biological filter media. The 3 foam inserts in this pack fit Aqua Clear 50 filters. | *$2.35 |
 | Calcium Reagent 1 Refill - 15 mL Brand: ROLF C HAGEN Part Number: A7851 Refill for Hagen Calcium test Reagent 1. | *$2.36 |
 | Calcium Reagent 3 Refill - 18 mL Brand: ROLF C HAGEN Part Number: A7853 Calcium Reagent 3 for the Hagen Calcium Test Kit | *$2.36 |
 | Poly Pads for Fluval 2 Plus - 4 pk Brand: ROLF C HAGEN Part Number: A190 Fluval 2 Plus Polyester Filter Pads have been specially developed as a fine filter medium for the Fluval 2 Plus Underwater Filter and is ideally suited to filtering out extremely fine suspended particles and contaminants. | *$2.39 |
 | Water Hose for Fluval 303 and 403 Filters - 5/8 in. - 14 mm (Sold per foot) Brand: ROLF C HAGEN Part Number: A15577 14mm /5/8 in. hose for the Fluval 303 and 403 models. | *$2.39 |
 | Fluval U4 Foam Pad Brand: ROLF C HAGEN Part Number: A488 Replacement Foam mechanical filter cartridge for Fluval U4 Underwater Filter | *$2.40 |
 | Seal Ring for Aqua Clear Mini, 150, 200 and 70 Filters Brand: ROLF C HAGEN Part Number: A16017 This is the replacement Seal Ring for Aqua Clear 20,30, 50, 70 Mini 150, 200, and 300. | *$2.43 |
 | Directional Output Nozzle for Fluval 04 and 05 Series Brand: ROLF C HAGEN Part Number: A-20001 Output Nozzle fits the following Fluval Canister Filters: 104, 105, 204, 205, 304, 305, 404, 405 | *$2.45 |
 | Quick Filter Cartridge - Large - 2 pk Brand: ROLF C HAGEN Part Number: A578 The AquaClear Quick Filter Replacement Cartridges are uniquely designed to fit the Large AquaClear Quick filter. The cartridge has an extra thick duo-density pad that has an expanded capacity for waste removal. This thick pad allows it to remove solid waste and particles as small as 1 micron without difficulty for fresh and saltwater aquariums. | *$2.45 |
 | BioMax for Aqua Clear 20 and Mini Brand: ROLF C HAGEN Part Number: A1370 Biological media for the Aqua Clear 20 (Mini). | *$2.48 |
 | Fluval Edge Foam and Bio Max Filter Media Set Brand: ROLF C HAGEN Part Number: A-1389 Keep your Edge inhabitants healthy by replacing the filter media every 2-3 months. Package includes foam block for resilient removal of physical particles and Bio Max for unsurpassed ammonia and nitrite control. | *$2.50 |
 | Fluval 1 Plus Foam Insert 2-pack - Fluval A180 Brand: ROLF C HAGEN Part Number: A180 Fluval 1 Plus Foam Insert 2-pack - Fluval A180. | *$2.50 |
 | Seal Ring for Aqua Clear 110 and 500 Filters- 2 pk Brand: ROLF C HAGEN Part Number: A16417 Replacement seal rings for the Aqua Clear 500 Powerfilter. | *$2.56 |
 | Fluval U2 Poly and Carbon Cartridge Brand: ROLF C HAGEN Part Number: A490 Replacement Poly and Carbon Filter Cartridge for Fluval U2 Underwater Filter. | *$2.64 |
 | AquaClear 50 Activated Carbon 3-pack - AquaClear A1384 Brand: ROLF C HAGEN Part Number: A1384 AquaClear 50 Activated Carbon 3-pack - AquaClear A1384. | *$2.75 |
 | Carbon Pads for Fluval 3 Plus - 4 pk Brand: ROLF C HAGEN Part Number: A196 Remove discoloration, dyes, and harmful substances from your tank by adding this carbon filter pad to your Fluval 3 Plus submersible filter. High-quality impregnated active carbon has been specially developed to filter out harmful liquid substances as well as extrememly fine suspended particle and contaminants. | *$2.75 |
 | Elite Deluxe Oval Air Stone 3 Inch - Elite A985 Brand: ROLF C HAGEN Part Number: A985 Elite Deluxe Oval Air Stone 3 Inch - Elite A985. | *$2.87 |
 | AquaClear 70 Ammonia Remover 11 1/8 Oz - AquaClear A616 Brand: ROLF C HAGEN Part Number: A616 AquaClear 70 Ammonia Remover 11 1/8 Oz - AquaClear A616. | *$2.89 |
 | Motor Seal O-Ring for Fluval 104, 105, 204, 205 Brand: ROLF C HAGEN Part Number: A20038 Replacement motor seal ring for the Fluval 104, 105, 204, 205 | *$2.92 |
 | Aqua Clear 20 Impeller - Old 201 Aqua Clear Brand: ROLF C HAGEN Part Number: A16680 The replacement, free floating Impeller for the Aqua Clear 201 Powerhead is for aquariums up to 20 gallons.Size:1 5/8" x 5/8" | *$2.92 |
 | BioMax for Aqua Clear 50 and 200 Brand: ROLF C HAGEN Part Number: A1372 Biological filter media for the Aqua Clear 50. (200) | *$2.98 |
 | AquaClear 20 Powerhead 127 GPH UL Listed - AquaClear A585 Brand: ROLF C HAGEN Part Number: A585 AquaClear 20 Powerhead 127 GPH UL Listed - AquaClear A585. | *$20.25 |
 | AquaClear 20 Power Filter UL Listed With A597 A598 & A1370 - AquaClear A595 Brand: ROLF C HAGEN Part Number: A595-AQUACLEAR AquaClear 20 Power Filter UL Listed With A597 A598 & A1370 - AquaClear A595. | *$20.95 |
 | AquaClear 30 Powerhead 175 GPH UL Listed - AquaClear A586 Brand: ROLF C HAGEN Part Number: A586 AquaClear 30 Powerhead 175 GPH UL Listed - AquaClear A586. | *$21.99 |
 | Fluval Edge Heater - 25W Brand: ROLF C HAGEN Part Number: A-756 Keep your tropical fish warm and happy with this submersible heater! Unbreakable polymer body has an LED lamp. Preset to 78 degrees and requires no adjustments. | *$22.79 |
 | Fluval FX5 Canister Filter - Fluval A218 Brand: ROLF C HAGEN Model: 10218 Part Number: A218-FLUVAL Fluval FX5 Canister Filter - Fluval A218. | *$225.95 |
 | Fluval M Aquarium Heater - 100W - Up to 30 Gallon Brand: ROLF C HAGEN Part Number: A782 Unique reflective technology goes into each Fluval M Series Aquarium Heater. This advanced feature helps your heater "vanish" into your aquascape. Other features include an easy-to-adjust temperature control dial, shock-resistant glass to help prevent breakage, and a 3-year warranty. | *$23.95 |
 | Fluval M Aquarium Heater - 200W - Up to 65 Gallon Brand: ROLF C HAGEN Part Number: A784 Unique reflective technology goes into each Fluval M Series Aquarium Heater. This advanced feature helps your heater "vanish" into your aquascape. Other features include an easy-to-adjust temperature control dial, shock-resistant glass to help prevent breakage, and a 3-year warranty. | *$23.95 |
 | Fluval M Aquarium Heater - 50W - Up to 15 Gallon Brand: ROLF C HAGEN Part Number: A781 Unique reflective technology goes into each Fluval M Series Aquarium Heater. This advanced feature helps your heater "vanish" into your aquascape. Other features include an easy-to-adjust temperature control dial, shock-resistant glass to help prevent breakage, and a 3-year warranty. | *$23.95 |
 | Nutrafin CO2 Natural Plant System With CO2 Activator & Stabilizer - Nutrafin A7690 Brand: ROLF C HAGEN Part Number: A7690 Nutrafin CO2 Natural Plant System With CO2 Activator & Stabilizer - Nutrafin A7690. | *$24.79 |
 | AquaClear 30 Aquarium Power Filter - 20 to 30 Gallon Brand: ROLF C HAGEN Part Number: A600 The AquaClear 30 Aquarium Filter provides biological, chemical and mechanical filtration and was designed for easy and convenient maintenance. AquaClear Filter media which comes with the filter for your first time use, replaces easily in a convenient filter media basket, that holds your filter media in place. The included foam filter insert is effective for mechanical and biological filtration and has large surface area for debris and waste retention and bacteria growth. Aquaclear insert may be rinsed and reused, or replaced when needed. Pre-measured Activated Carbon Aquaclear Inserts elimate hassle: just rinse and drop in. The premium research quality of the carbon removes organic compounds, chlorine, odors and much more. For new aquarium set ups or old, the Ammonia Remover (purchased separately) removes and controls toxic ammonia, keeping your aquarium fish healthy and happy. The AquaClear 30 provides amazing aquarium filtration. | *$24.99 |
 | Filter Case for Aqua Clear 110 and 500 Filters Brand: ROLF C HAGEN Part Number: A16420 This is the replacement filter case for the Aqua Clear 110 and 500 power filters. | *$24.99 |
 | Fluval M Aquarium Heater - 300W - Up to 80 Gallon Brand: ROLF C HAGEN Part Number: A787 Unique reflective technology goes into each Fluval M Series Aquarium Heater. This advanced feature helps your heater "vanish" into your aquascape. Other features include an easy-to-adjust temperature control dial, shock-resistant glass to help prevent breakage, and a 3-year warranty. | *$25.79 |
 | Fluval Edge Bamboo Wall Ornament - Fluval 12290 Brand: ROLF C HAGEN Part Number: 12290-FLUVAL Fluval Edge Bamboo Wall Ornament - Fluval 12290. | *$25.99 |
 | Fluval U1 Underwater Filter - Fluval A465 Brand: ROLF C HAGEN Model: U1 Part Number: A465 Fluval U1 Underwater Filter - Fluval A465. | *$26.50 |
 | Optima Air Pump - 1 outlet Brand: ROLF C HAGEN Part Number: A807 The Optima Air Pump provides controlled output for strong reliable air production. With a simple turn of the rheostat you can choose how much air is needed. These pumps are designed for heavy duty applications where large quantities of air must be delivered. Optima Air pumps are strong enough to drive air to the bottom of large aquariums without loss of pressure. Depending on air requirements, multiple air operated items such as decorative airstones or other aquarium ornaments may be combined with the proper use of an air valve to distribute the pump's output. | *$26.88 |
 | Fluval G3 Fine Pre-Filter Cartridge - Fluval A417 Brand: ROLF C HAGEN Part Number: A417 Fluval G3 Fine Pre-Filter Cartridge - Fluval A417. | *$27.38 |
 | Fluval G6 Tri-X Cartridge - Fluval A424 Brand: ROLF C HAGEN Part Number: A424 Fluval G6 Tri-X Cartridge - Fluval A424. | *$29.99 |
 | Fluval Underwater Filter Bio-Max Brand: ROLF C HAGEN Part Number: A495 Replacement BioMax Biological Filter Media for Fluval U2, U3 and U4 Underwater Filters | *$3.15 |
 | Fluval U3 Underwater Filter Poly/Carbon - Fluval A491 Brand: ROLF C HAGEN Part Number: A491 Fluval U3 Underwater Filter Poly/Carbon - Fluval A491. | *$3.15 |
 | Extension Tube with Strainer for Aqua Clear 70, 110, 300 and 500 Filters Brand: ROLF C HAGEN Part Number: A627 The extension tube will increase the efficiency of the Aqua Clear filter by allowing it to reach deeper in the tank. This is a replacement extension tube with strainer for the Aqua Clear 70, 110, 300 and 500 filters. | *$3.15 |
 | Motor Seal Ring for Fluval 304 and 404 Canister Filters Brand: ROLF C HAGEN Part Number: A20063 Fluval 304 or 404 motor seal ring replacement part. | *$3.20 |
 | Intake Stem for Aqua Clear 150 and 200 Filters Brand: ROLF C HAGEN Part Number: A16150 Replacement intake Stem for the Aqua Clear 30 and 50 (old 150/200) filters.Size:Approximately 2 7/8" L x 6/8" W x 3 1/4" H | *$3.22 |
 | Nutrafin Aqua Plus Tap Water Conditioner - 4.1 oz. Brand: ROLF C HAGEN Part Number: A7927 Only Aqua Plus naturally relieves stress and heals your fish with patented PHE. Aqua Plus also instantly makes your tap water safe for your fish by rendering toxic chlorine, chloramines and metals harmless. | *$3.27 |