Black Undergravel Filter – 16 Pieces

=”Modular Under-Gravel Filter Kit is an ideal filter for small aquariums. Simply cover with up to 10cm of gravel and connect an air pump or powerhead (not included) to the uplift. This kit is recommended for aquariums up to 60cm x 30cm. More filter kits can”&” be added to create the size or shape that you require.