Small Box

Standard size 65mm x 105mm.
BS polypropylene/styrene.
Boxed in 50s. – Direct flow path (not restricted).
Drop outlet does not encourage build-up of mortar debris.
Beak protects against wind pressure.
May be extended with use of Extension Duct.

93mm x 24mm x 9.5mm, with telescopic section providing additional 70mm.
BS polypropylene or BS ABS in clear, grey or beige
Insect resistant grill.
Protective cap promotes cleanliness.
Telescopic feature ensures compatibility.
Suitable for use with rendered walls, also varying thicknesses etc.
Boxed in 100s.