Main supply tube ratchet clamp to secure and help prevent leaks from irrigation supply pipe with 13mm fittings. When the weather is very hot the main supply hose can soften and these clamps will stop water leaking in these conditions, this helps to ensure a constant water pressure, and your plants are watered as you planned.

•  Ratchet Clamps require no tools for installation.
•  UV stabilised materials for long life.
•  Tube ID - OD range 13mm -16mm.