Suitable for fresh air ventilation and warm air systems. Suitable for Use with Gas Appliances Surface-Mounted W x H x D: 610 x 76 x 7mm Free Air Space: 5163mm² Aluminium Construction Insect Screen Not Supplied Suitable for Interior or Exterior Use

Highly elastic and lightweight work shorts with flexible gusset seams designed for everyday use. The shorts are made of a ventilating stretch fabric and features tough CORDURA® ripstop reinforcements at the leg endings and pockets for enhanced durabi...