Single Size: Air hole diameter: 0.4cm(0.16in), Overall L: 5.2cm(2.04in)
Package Included: 10 x Aquarium check valve
– Please refer to the measurement. Tiny measuring error is allowable in normal range.
– There might be a little color difference due to the monitor, camera or other factors, please refer to the physical item.
10 x Aquarium check valve