Allows you to connect an additional sanitary to a BAHIA kit. Kit consisting of a BAHIA Curve hygro-adjustable extractor mouth, a cuff and an Easy-Clip system. Push button control of the kitchen mouth (not included). Power supply mouth kitchen PUSH and WC PRES by battery (alkaline 9V, type LR 61 not included). diameter 125 mm IMPORTANT Never stop the ventilation of your home. Do not clog or close the exhaust vents and air inlets that are hygroreadjustable. Mouth-adjustable BAHIA Cuisine C 13 PUSH (Elec.) For VMC Single Flux Hygro-adjustable + Trident Hygro plastic cuff Ø 125 mm + connector Ø125 + Easy-clip clamp. The air flow to the mouth from 10 to 60 m3/h adjusts automatically according to the humidity level (maximum opening at 73% RH). Simplicity: the peak flow, 135 m³/h timed for 25 minutes.