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7 metre x 4 metre Underlay for Pond Liners

Essential to preserve the durability of your liner. Our liners are only guaranteed when an aquatic underlay is used.
Metric
Imperial
Pond liner length
7m
Pond liner width
4m
To Fit pond (with 1m depth) - width
4m
To Fit pond (with 1m depth) - length
1m
Choose a quality
Our underlay for pondliners are available in either basic or best quality.
Choose which guarantee pondliner you want below:

Basic quality

£30.80

Best quality

£47.60
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