set2: 10 x aquarium bubbles air stone + 10 x one way check valve
Great one way check valve for aquarium air pump
Protect you air pump by preventing aquarium water from back siphoning during a power outage.
Small and compact / Made of durable plastic
It's easy to install
Compatible with standard aquarium air pipe of 4mm inner diameter
Aquarium bubbles air stone;suitable for : fish tank,aquarium
Material : mineral, plastic/plastic
import diameter : 4.8mm/ 0.19 inch
Size(approx) : 3.9 x 1.3cm / 1.5 inch x 0.49 inch(l*w)
These are great check valves for aquarium air pump.
They can prevent the water in aquarium from flowing to the air pump.
Full Length: Approx. 5.3cm(2.1 inch)
Color: Red/blue
Creates bubbles in fish tank while attached to an air pump.
Used to increase the dissolved O2 level in the aquarium.
It is an important instrument to successfully keep aquatic fish for respiration process.
Package Contents :
10 x aquarium bubbles air stone
10 x one way check valve