Timloc Through Wall Cavity Sleeve 9x3 1202

Tough, flexible cavity sleeves and baffle and extension accessories, to provide ventilation through external walls to the building interior. Designed for use in conjunction with Timloc Airbricks (1201AB). Range presents solutions to suit single (9″ x 3″), double (9″ x 6″) and triple (9″ x 9″) interlocked and stacked airbricks.