Use this 27l (7.1gal) clear bladder liner as a replacement, when ever it is required.

Whether you'd use it as a refill or replacement, keep one of these as a spare.

Made of clear heavy duty food grade, BPA-free polyethylene.
 
27l (7.1gal) capacity.
 
"Wine cask" screw tap/drain.

FRONT RUNNER COLLAPSIBLE WATER BAG LINER - WTAN013

£8.26Price