Anti syphon device with reliable pressure valve. Self contained. Can be connected to hoses with internal diameters of 13, 19, 25 and 32 mm.
| Hose connection diameter (inches) | 1/2 - 3/4 - 1 - 1 1/4 |
| Dimensions (length x width x height) (inches) | 6 3/8 x 3 7/8 x 1 15/16 |