Quality Hepworth Cavity Liners X3 + X4 Blue Air Bricks And X1 Red Job Lot Sale!
This sale is for x3 new Hepworth terracotta cavity liners 215 x 75 x 200mm deep (Thickness of liners is just under 20mm so very strong!). Hepworth cavity liner for use with air bricks to form a duct through walls to assist ventilation.