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Underfloor Horizontal Extension Sleeve

Designed to extend the reach of the underfloor vent for varying cavity and wall leaf widths.

Top Extension Sleeve

Product Code: HD 9660T
140mm long for an outer leaf width of up to 170mm

Bottom Extension Sleeve

Product Code: HD 9660M
155mm long for an inner leaf width of up to 215mm

Specification

Made from:
Polypropylene
Available in:
Black
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Hambleside Danelaw Limited
Long March, Daventry, Northamptonshire, NN11 4NR, UK
+44 (0) 1327 701 900   |   +44 (0) 1327 701 909

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