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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4" inch Uniseal U400 Bulkhead Koi Tank Connectors for hydroponics aquaponics Koi ponds. Free Postage in the UK. Target delivery - three days. Often used to connect a pond bottom drain to part 1 of a fish pond filtration system. Uniseal bulkheads are less expensive, take less time to install and will last without failure. Not prone to failure in freezing temperatures. Pipe O.D. - 4.500" - 114mm Hole Size - 5.0" - 127mm

Zoom 4 inch Uniseal Zoom 4 inch Uniseal Zoom 4 inch Uniseal Zoom 4 inch Uniseal 1 Uniseal 5 Uniseals 10 Uniseals 20 Uniseals £11.87 £51.29 £89.29 £161.49           Zoom 4 inch Uniseal Zoom 4 inch Uniseal Zoom 4 inch Uniseal 5 Uniseal Holesaw Kit 10 Uniseal Holesaw Kit 20 Uniseal Holesaw Kit £73.81 £111.81 £184.96       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.