Prevents potentially damaging back siphoning of air into your air pump. Use wherever pump is installed lower than the water level.
|
Prevents potentially damaging back siphoning of air into your air pump. Use wherever pump is installed lower than the water level. |
Azpack Limited, 12 Kernan Drive, Swingbridge Trading Estate, Loughborough, Leics,
LE11 5JF, England. (01509) 261256