Ubbink AE34c Seal Ring (1 bag of 10 pcs) for use with Semi-Rigid 75/63mm Outside/Inside Diameter Duct AX3505 up to 93% of the

up to 93% of the heat is recovered by the heat exchanger before the air is expelled into the atmosphere – at the same time air is drawn in from outside and the recovered heat is then transferred and filtered before it is distributed back into the property

Internal Volume: 710in3/ 12L

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The Falmec Marilyn E

Ubbink AE34c Seal Ring (1 bag of 10 pcs) for use with Semi-Rigid 75/63mm Outside/Inside Diameter Duct AX3505 up to 93% of theUbbink AE34c Seal Ring (1 bag of 10 pcs) for use with Semi Rigid 75 63mm Outside Inside Diameter Duct. Ubbink Air Excellent is a semi rigid, radial ducting system for use with MVHR systems. Its innovative design reduces installation times, improves system performance and ease of commissioning and components are BIM ready.