AquaClear BioMax Filter Insert, 50 gallon - 6 count Hose Universal sizing: cut to fit

Universal sizing: cut to fit from 12" - 27" | 30

seatbelt restraint hoops at the front and rear

Dogs will love to play with these durable rubber animals to get the inner ballistic nylon ball to squeak

Detoxifies nitrate

4oz treats 100 gallons of water

AquaClear BioMax Filter Insert, 50 gallon - 6 count Hose Universal sizing: cut to fitAquaClear Bio Max Inserts increase the biological filtration efficiency of your aquarium filter, while enhancing its ability to reduce harmful ammonia and nitrites. These highly porous ceramic rings provide maximum surface area to facilitate the growth of beneficial bacteria. These bacteria break down toxic water contaminants and help to create a clean, healthy aquatic habitat for your aquarium fish. Expands biological capacity of aquariums Provides