Sera Replacement Stainless Steel Blades 5 Pack glass aquarium The porous nature of filter

The porous nature of filter media such as Fluval BIO-FX offers a vast surface area for the colonization of nitrifying bacteria

They are an excellent aeration device for use in under gravel filters

Clear-Flo 3000 is suitable for ponds up to 3000 U

Assembled on a self-hanging kabob style hanger

Berries are mixed throughout the hay to boost foraging fun and mental stimulation

Sera Replacement Stainless Steel Blades 5 Pack glass aquarium The porous nature of filterGlass cleaner with stainless steel blade allows for best possible cleaning Even very tenacious algae are removed from the aquarium glass by means of the stainless steel blade. Changing the blades is very easy by pushing a button within the handle. The blade is firmly seated in the handle. This 5 pack will fit the Sera glass cleaner with stainless blades