Swift Nesting Box - Terracotta Hand Tools Uni-line slate grey vent is

Uni-line slate grey vent is an in-line ventilation slate to suit both 600 mm x 300 mm (24" x 12") and 500 mm x 250 mm (20" x 10") double-lap slates

Rectangular PVC hopper head and gully grid

This low trap gully creates an airlock preventing smells from the underground drainage system

For 25mm Purition

Non-lead flashing material which can be used in all applications where lead is traditionally used

Swift Nesting Box - Terracotta Hand Tools Uni-line slate grey vent isMaterial uPVC and Polypropylene Takes place of a single brick with colours to suit brick work Neat and Simple to install with an integral nest concave 29 x 65mm opening leading to a recess tunnel with an floor opening of 413cm131