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Cavity Liners
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£10.28 £8.57Glidevale Maxi Vent Periscope - MV251
Ref: BVEN076
- Suits 50-100mm cavities
- 3-4 brick course vertical adjustment
- Provides ventilation to suspended floors and wall cavities
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£20.75 £17.29Glidevale Maxi Vent Straight Cavity Sleeve - MV255
Ref: BVEN078
- Attaches to MV250 Airbrick for straight through-wall applications
- Works in wall thicknesses from 258 to 305mm
- Compatible with MV253 Vent Pipe Adaptor
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