LTWFITTING Brass BSP Fitting Coupler / Adapter 1/4-Inch Female BSPP x 1/2-Inch(12mm) Hose Barb Fuel Gas Water (Pack of 400) Stainless Steel Pipe Fittings This filter pads is custom

This filter pads is custom designed and manufactured for Zoo Med's 501 External Filter

Package Include:8 pcs replacement foam filter rings

Thread 2: 1/8-Inch BSPP(Parallel) Female

The bio sponge filters optimize the colonization of beneficial aerobic bacterias which keeps the water fresh and clean to provide a better quality of living for your fish

LTWFITTING Brass BSP Fitting Coupler / Adapter 1/4-Inch Female BSPP x 1/2-Inch(12mm) Hose Barb Fuel Gas Water (Pack of 400) Stainless Steel Pipe Fittings This filter pads is customPackage Include: 400pcs. Materies: brass. Type: FeMale X hose Barb. Tubing ID: 1 2 Inch(12mm), Thread: 1 4 Inch BSPP Parallel Female. Pay attention to the column of size and color, you could find a variety of product types and quantities for your choice. The more your purchase the best price you get.