Telescopic Wall Sleeve 150mm x 150mm x 300mm front to back closed
Square Telescopic Wall Sleeves -
Telescopic Wall Sleeve 200mm x 200mm x 300mm front to back closed
Telescopic Wall Sleeve 250mm x 250mm x 300mm front to back closed
Telescopic Wall Sleeve 300mm x 300mm x 300mm front to back closed
Telescopic Wall Sleeve 350mm x 350mm x 300mm front to back closed
Telescopic Wall Sleeve 400mm x 400mm x 300mm front to back closed
Telescopic Wall Sleeve 450mm x 450mm x 300mm front to back closed
Telescopic Wall Sleeve 500mm x 500mm x 300mm front to back closed
Telescopic Wall Sleeve 550mm x 550mm x 300mm front to back closed
Telescopic Wall Sleeve 600mm x 600mm x 300mm front to back closed