GCTek Filters

Alpha One 2.5 Bead Filter

Alpha One 2.5 Bead Filter

AlphaONE 2.50 Filter from GCTek Suitable for ponds up to 5,000 gallons. All of the AlphaONE filters utilize the AquaSwirl internal Vortex spinning design that spins heavier solids to the center of the bottom of the vessel. The 2.50cu.ft. AlphaONE is the perfect filter for ponds up to 5000 gal. and fish loads up to 125 lbs. Flow rated...
Alpha One 4.25 Bead Filter

Alpha One 4.25 Bead Filter

AlphaONE 4.25 Filter from GCTek Suitable for ponds up to 10,000 gallons. This is the 4.25 cu.ft. AquaBead or AlphaONE unit. What a nice size filter. A 4.25 cu. ft. capacity designed to be used on ponds up to10,000 gallons with fish loads up to a whopping 225 lbs. That's a lot of fish. Easily flows 90 gpm while only having a footprint of...
Alpha One 6.0 Bead Filter

Alpha One 6.0 Bead Filter

AlphaONE 6.0 Filter from GCTek Suitable for ponds up to 17,000 gallons. Now we're starting to talk big here. The 6.0cu.ft. AlphaONE boasts 6 cu. ft. of media and a carrying capacity of 300 lbs of fish. Something for the serious koi keeper. The koi keeper with a pond up to 17,000 gallons with flows up to 120 gpm. All this in a package...
Alpha One 9.0 Bead Filter

Alpha One 9.0 Bead Filter

AlphaONE 9.0 Filter from GCTek Suitable for ponds up to 25,000 gallons. This Behemoth will get the job done. An unbelievable 9.0 cu. ft. of beads in the AquaBead or the 9.0 cu. ft. of AlphaBio1 media in the AlphaONE in a size of only 36" X 45". Remember when bead filters this size stood 10 ft. tall and needed a barn to hide them in?...