Red Sea 225 Micron Felt Filter Sock - Red Sea $10.99 High quality, reusable aquarium filter bags providing different levels of mechanical filtration. These 10.5″/26cm long filter bags for Red Sea’s REEFER and MAX-S aquariums will also fit any standard 4″/10cm filter bag holder. Red... Add to Cart
SAVE 15% All Misc Brands 4" x 8" 200 Micron Polyester Filter Sock w/ 4" Ring - Generic $4.89 $5.75 $5.75 Filter socks are used as a effective first stage of an aquariums filtration process and should be placed so that water coming from the tank filters into the filter sock first removing uneaten food, detritus, organic waste, dust and other small... Add to Cart
Red Sea 225 Micron Thin-Mesh Filter Sock - Red Sea $10.99 high quality, reusable aquarium filter bags providing different levels of mechanical filtration. These 10.5″/26cm long filter bags for Red Sea’s REEFER and MAX-S aquariums will also fit any standard 4″/10cm filter bag holder. 225... Add to Cart
Red Sea 100 Micron Felt Fine Polish Filter Sock - Red Sea $10.99 High quality, reusable aquarium filter bags providing different levels of mechanical filtration. These 10.5″/26cm long filter bags for Red Sea’s REEFER and MAX-S aquariums will also fit any standard 4″/10cm filter bag holder. 100...