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A group of grey butyl rubber self-healing injection ports on a black background

Tools and supplies

Injection Ports

£2.00

10 x 20mm diameter butyl rubber injection ports.

  • All products are dispatched within 3 working days. Some same day.
  • UK delivery only. Sent by Royal Mail Tracked 48 or Royal Mail Tracked 24, from £3.50. Shipping.

We recommend drilling a 10mm hole in your lids which will provide a tight seal after squeezing the rubber injection ports into.

Please note: these aren't the same injection ports that are in our grow kit lids - these are bigger, sturdier and perfect for jar lids.