50*12*2cm Biochemical Cotton Filter Foam Sponge Aquarium Fish Tank Pond Tt Other Football Usually used for testing cakes

Usually used for testing cakes

red berries

ITEM NAME:DIY Flower Printing Carbon Steel Mould for Card Making and DIY Scrapbooking

Material: Silicone Color: Gray Size: 12*6

50*12*2cm Biochemical Cotton Filter Foam Sponge Aquarium Fish Tank Pond Tt Other Football Usually used for testing cakesITEM NAME: 50*12*2cm Biochemical Cotton Filter Foam Sponge Aquarium Fish Tank Pond Tt Its multi porous feature will avoid blockages and provide the largest adhesion area for bacteria. Very suitable for using in freshwater and marine water. 100% brand new & unused Advise: Replace the bio sponge three month, to ensure the filtrating effect as well as the growth of the nitrifying bacteria. Package include1x filter biochemical cotton. Can be cut any sizes