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Emporer 4-pack Filter Cartridges provide complete mechanical and chemical aquarium filtration. Contains two full ounces of premium grade Black Diamond activated carbon.

Preassemlbed cartridges are filled with premium grade Black Diamond activated carbon to provide clean, sparkling aquarium water. 3 pack.

Easy-to-install and affordable protein skimmers for marine aquariumsFeatures a needle-wheel impeller similar to high end protein skimmersAvailable in various sizes to suit the protein skimming needs of your aquariumBudget-friendly protein skimmers boast performance and easy installation. Eshopps protein skimmers are designed with simplicity in mind to satisfy the skimming needs of saltwater aquarium hobbyists. Included pump(s) features a needle-wheel impeller that vigorously mixes air and water to create a flurry of waste-removing bubbles. Improves water quality and oxygen level in saltwater aquariums. Removable collection cup allows convenient skimmer maintenance and disposal of collected waste material. Adjustment knob fine-tunes water level within the protein skimmer reaction chamber for optimal performance. Quality acrylic construction.Note: Turn off protein skimmer prior to feeding or supplementation. Wait 30 to 45 minutes before turning protein skimmer back on to minimize excess/wet foam production.ModelDimensionsRecommended Aquarium SizeWatts PSK-753" diameter x 19" highup to 75 gallon15PSK-1004" diameter x 22" high75-100 gallon17 PSK-1505" diameter x 22" high100-150 gallon18PSK-2006" diameter x 23" high150-200 gallon24 PSK-3007" diameter x 23" high200-300 gallon36Please click on "More Information" for setup instructions.

Easy-to-install and affordable protein skimmers for marine aquariumsFeatures a needle-wheel impeller similar to high end protein skimmersAvailable in various sizes to suit the protein skimming needs of your aquariumBudget-friendly protein skimmers boast performance and easy installation. Eshopps protein skimmers are designed with simplicity in mind to satisfy the skimming needs of saltwater aquarium hobbyists. Included pump(s) features a needle-wheel impeller that vigorously mixes air and water to create a flurry of waste-removing bubbles. Improves water quality and oxygen level in saltwater aquariums. Removable collection cup allows convenient skimmer maintenance and disposal of collected waste material. Adjustment knob fine-tunes water level within the protein skimmer reaction chamber for optimal performance. Quality acrylic construction.Note: Turn off protein skimmer prior to feeding or supplementation. Wait 30 to 45 minutes before turning protein skimmer back on to minimize excess/wet foam production.ModelDimensionsRecommended Aquarium SizeWatts PSK-753" diameter x 19" highup to 75 gallon15PSK-1004" diameter x 22" high75-100 gallon17 PSK-1505" diameter x 22" high100-150 gallon18PSK-2006" diameter x 23" high150-200 gallon24 PSK-3007" diameter x 23" high200-300 gallon36Please click on "More Information" for setup instructions.

Easy-to-install and affordable protein skimmers for marine aquariumsFeatures a needle-wheel impeller similar to high end protein skimmersAvailable in various sizes to suit the protein skimming needs of your aquariumBudget-friendly protein skimmers boast performance and easy installation. Eshopps protein skimmers are designed with simplicity in mind to satisfy the skimming needs of saltwater aquarium hobbyists. Included pump(s) features a needle-wheel impeller that vigorously mixes air and water to create a flurry of waste-removing bubbles. Improves water quality and oxygen level in saltwater aquariums. Removable collection cup allows convenient skimmer maintenance and disposal of collected waste material. Adjustment knob fine-tunes water level within the protein skimmer reaction chamber for optimal performance. Quality acrylic construction.Note: Turn off protein skimmer prior to feeding or supplementation. Wait 30 to 45 minutes before turning protein skimmer back on to minimize excess/wet foam production.ModelDimensionsRecommended Aquarium SizeWatts PSK-753" diameter x 19" highup to 75 gallon15PSK-1004" diameter x 22" high75-100 gallon17 PSK-1505" diameter x 22" high100-150 gallon18PSK-2006" diameter x 23" high150-200 gallon24 PSK-3007" diameter x 23" high200-300 gallon36Please click on "More Information" for setup instructions.

Easy-to-install and affordable protein skimmers for marine aquariumsFeatures a needle-wheel impeller similar to high end protein skimmersAvailable in various sizes to suit the protein skimming needs of your aquariumBudget-friendly protein skimmers boast performance and easy installation. Eshopps protein skimmers are designed with simplicity in mind to satisfy the skimming needs of saltwater aquarium hobbyists. Included pump(s) features a needle-wheel impeller that vigorously mixes air and water to create a flurry of waste-removing bubbles. Improves water quality and oxygen level in saltwater aquariums. Removable collection cup allows convenient skimmer maintenance and disposal of collected waste material. Adjustment knob fine-tunes water level within the protein skimmer reaction chamber for optimal performance. Quality acrylic construction.Note: Turn off protein skimmer prior to feeding or supplementation. Wait 30 to 45 minutes before turning protein skimmer back on to minimize excess/wet foam production.ModelDimensionsRecommended Aquarium SizeWatts PSK-753" diameter x 19" highup to 75 gallon15PSK-1004" diameter x 22" high75-100 gallon17 PSK-1505" diameter x 22" high100-150 gallon18PSK-2006" diameter x 23" high150-200 gallon24 PSK-3007" diameter x 23" high200-300 gallon36Please click on "More Information" for setup instructions.

Easy-to-install and affordable protein skimmers for marine aquariumsFeatures a needle-wheel impeller similar to high end protein skimmersAvailable in various sizes to suit the protein skimming needs of your aquariumBudget-friendly protein skimmers boast performance and easy installation. Eshopps protein skimmers are designed with simplicity in mind to satisfy the skimming needs of saltwater aquarium hobbyists. Included pump(s) features a needle-wheel impeller that vigorously mixes air and water to create a flurry of waste-removing bubbles. Improves water quality and oxygen level in saltwater aquariums. Removable collection cup allows convenient skimmer maintenance and disposal of collected waste material. Adjustment knob fine-tunes water level within the protein skimmer reaction chamber for optimal performance. Quality acrylic construction.Note: Turn off protein skimmer prior to feeding or supplementation. Wait 30 to 45 minutes before turning protein skimmer back on to minimize excess/wet foam production.ModelDimensionsRecommended Aquarium SizeWatts PSK-753" diameter x 19" highup to 75 gallon15PSK-1004" diameter x 22" high75-100 gallon17 PSK-1505" diameter x 22" high100-150 gallon18PSK-2006" diameter x 23" high150-200 gallon24 PSK-3007" diameter x 23" high200-300 gallon36Please click on "More Information" for setup instructions.

Premium overflow boxes for wet/dry aquarium filtersEffectively transports aquarium water to under cabinet sumpsBulkhead fittings allow convenient and secure aquarium plumbingQuality overflow boxes feature bulkhead fittings for secure and convenient installation. Use these easy-to-install overflow boxes to transport aquarium water to under cabinet sumps, refugiums, or wet/dry filters. Gravity-feed system eliminates the need for complicated drilling or aquarium modifications.Includes: U-tube, cylinder (round) foam, nylon screw and wing nuts, pre-filter box, and 1" bulkhead on all. PF-1800 has 1-1/2" bulkhead. Model Dimensions Usage Intake Max Flow Rate PF-300 6" x 3" x 10" H Up to 75 gallons Single 300 gph PF-800 8" x 3" x 10" H Up to 125 gallons Single 800 gph PF-1000 9" x 3" x 10" H Up to 200 gallons Dual 900 gph PF-1200 10" x 3" x 10" H Up to 300 gallons Dual 1,000 gph PF-1800 12" x 4" x 10" H Up to 500 gallons Dual 1,600 gphPlease click on "More Information" for directions for use.

Premium overflow boxes for wet/dry aquarium filtersEffectively transports aquarium water to under cabinet sumpsBulkhead fittings allow convenient and secure aquarium plumbingQuality overflow boxes feature bulkhead fittings for secure and convenient installation. Use these easy-to-install overflow boxes to transport aquarium water to under cabinet sumps, refugiums, or wet/dry filters. Gravity-feed system eliminates the need for complicated drilling or aquarium modifications.Includes: U-tube, cylinder (round) foam, nylon screw and wing nuts, pre-filter box, and 1" bulkhead on all. PF-1800 has 1-1/2" bulkhead. Model Dimensions Usage Intake Max Flow Rate PF-300 6" x 3" x 10" H Up to 75 gallons Single 300 gph PF-800 8" x 3" x 10" H Up to 125 gallons Single 800 gph PF-1000 9" x 3" x 10" H Up to 200 gallons Dual 900 gph PF-1200 10" x 3" x 10" H Up to 300 gallons Dual 1,000 gph PF-1800 12" x 4" x 10" H Up to 500 gallons Dual 1,600 gphPlease click on "More Information" for directions for use.

Premium overflow boxes for wet/dry aquarium filtersEffectively transports aquarium water to under cabinet sumpsBulkhead fittings allow convenient and secure aquarium plumbingQuality overflow boxes feature bulkhead fittings for secure and convenient installation. Use these easy-to-install overflow boxes to transport aquarium water to under cabinet sumps, refugiums, or wet/dry filters. Gravity-feed system eliminates the need for complicated drilling or aquarium modifications.Includes: U-tube, cylinder (round) foam, nylon screw and wing nuts, pre-filter box, and 1" bulkhead on all. PF-1800 has 1-1/2" bulkhead. Model Dimensions Usage Intake Max Flow Rate PF-300 6" x 3" x 10" H Up to 75 gallons Single 300 gph PF-800 8" x 3" x 10" H Up to 125 gallons Single 800 gph PF-1000 9" x 3" x 10" H Up to 200 gallons Dual 900 gph PF-1200 10" x 3" x 10" H Up to 300 gallons Dual 1,000 gph PF-1800 12" x 4" x 10" H Up to 500 gallons Dual 1,600 gphPlease click on "More Information" for directions for use.