Grey in colour, this PVC capping is used to secure a standard (Overlap style) above ground pool liner into EXTRET Retainer (the 2 part retainer and capping system and also EXTAGQF Quick Fix Retainer. 

The overhang is wrapped around the capping, then pushed together to fasten into place. The liner can be adjusted up and down to suit the wall height, and no access to the back of the pool wall is required. 

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