LTWFITTING Brass BSP Barbed Fitting Coupler / Connector 3/8-Inch Male BSPP x 1/4-Inch(6mm)Hose Barb Fuel Gas Water (Pack of 25) also fits for 300l/h Aquarium

also fits for 300l/h Aquarium Internal Filter

Package Include:12pcs rectangular mop pad

Type: Hex Head Plug

Fit for: Hydor Professional Canister filter 450 600

Provides a breeding ground for beneficial bacteria

LTWFITTING Brass BSP Barbed Fitting Coupler / Connector 3/8-Inch Male BSPP x 1/4-Inch(6mm)Hose Barb Fuel Gas Water (Pack of 25) also fits for 300l/h AquariumType: Male X hose Barb Tubing ID: 1 4 Inch(6mm), Thread: 3 8 Inch BSPP Parallel male Materies: BRASS Net Weight: 22g PC Choosing products dimensions and quantities at column of size and colour seperately,price would be more favorable if choosing wholesale.