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							| Click valve: | 2K-4010 / 2K-4011 (2K-4012 - White-painted aluminium valve)
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							| Utilisation: | Wood and wood/aluminium windows |  
							| Colours: | White, gray |  
							| Milling measurements: | 23 X 340 mm |  
							| Flow area: | 40 cm2 |  
							| Airflow:     Eqv. area: | 3100 mm2 |  
							| Opening height into room: | 10 mm |  
							| Characteristics: | Discreet – the click valve’s height when closed is just 2 mm |  
							| Materials: | Plastic and natural anodised aluminium |  
							| Assembly: | Without tools – the click valve is fixed by steel clips |  
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							| Insect grate click valve 2K-4010: | 4010 |  
							| Colours: | White, gray, black etc. |  
							| Milling measurements: | 196,5 mm X 13,5 mm |  
							| Flow area: | 2 X 20 cm2 (2 grates per valve) |  
							| Material: | Plastic |  
							| Assembly: | Without tools – fixed by incorporated barbs |  
 
 
					Advantages of the click valve
					
						Isolating plastic profile that reduces condensation
						Low internal fitting height due to intelligent valve house design
						Option of complete or partial valve opening
						Simple and quick assembly/disassembly
						Function testing
						Water and air proof testing |  
 
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