HIPS polystyrene. Suitable for commercial and domestic use with 100mm round pipe or 110 x 54mm rectangular ducting.

• Suitable for Use with Gas Appliances
• Surface-Mounted
• W x H x D: 140 x 140 x 35mm
• Free Air Space: 14,700mm
• Plastic Construction
• Insect Screen Not Supplied

Available in 6 different colours, Black, Brown, Cotswold Stone, Grey, Terracota and White