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	5" Storm Collar (Washer) Aluminium Washer type stom collar. Fitted above the flashing to prevent water entering between the outer skin of the flue and the flashing. Part of our Twin Wall range, designed for use with domestic and commercial use on gas oil and solid and multi-fuel installations with flue gas temperatures up to 450C and is soot fire resistant. Lengths and fittings have a male and female coupler which fit together and twist to lock in position, the sections are then held in place by a locking band. (images are for illustration only)
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