Please note we have suspended sales to destinations outside of the UK from the Uniseal Shop website due to postal and customs issues which have increased our operating costs. We still sell Uniseals to Europe on eBay. Orders placed on this site from outside of the UK will be refunded less Paypal transaction costs.

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5/16" inch Uniseal U0312 Tank connector, bulkhead for Hydroponics, Aquaponics. Excellent as a Hydroponic Grommet. Free Postage in the UK. Target delivery - three days. Ideal for 10/11 mm reinforced hose, often used as airline around fishponds. The 10/11mm hose has an inside diameter of 8mm which fits standard air pumps. The U0312 Uniseal allows waterproof access into drums, tanks and filters. Pipe O.D. - 0.400" - 10.5mm Hole Size - 13mm drill bit

Zoom 5/16 inch Uniseal Zoom 5/16 inch Uniseal Zoom 5/16 inch Uniseal Zoom 5/16 inch Uniseal 1 Uniseal 5 Uniseals 10 Uniseals 20 Uniseals £3.32 £12.69 £23.74 £42.74           Zoom 5/16 inch Uniseal Zoom 5/16 inch Uniseal Zoom 5/16 inch Uniseal 5 Uniseal Holesaw Kit 10 Uniseal Holesaw Kit 20 Uniseal Holesaw Kit £19.47 £30.87 £50.34       See Uniseal Prices in Euro on our mobile site - Here Not Confident buying from this site! All our payments are taken through a secure PayPal server with Paypal Buyer Protection We also sell Uniseals on eBay.co.uk Here. And We also sell Uniseals on Amazon.co.uk Here.