Insulated ducting 200mm diameter, 10 metres length. This ducting is ideal for heating & refrigeration air conditioning systems where a high degree of insulation is required. Construction: Aluminium flex core, wrapped in 25mm high density fibre glass insulation and coated with an aluminium sheath Features: Pre-insulated, fully lined, economical & fire retardant to BS476 Parts 6, 7, & 20 Temp. Range: -30°C to +125°C Air Velocity: 30 metres/sec Max Pressure: 2,500 Pa
