They control airflow to the push-button mechanism and diaphragm assembly for starting and stopping water flow

Bradley P19-231C Motor Assembly Replacement Part for Bradley Washroom Accessory Products

Dual-wristblade-handle three-hole widespread deck-mount bathroom faucets have two wing-shaped handles that users pull toward or push away from themselves to start or stop the flow of water

railroad cars

Dove Gray (2125)

Ketcham Washroom Mirror, Theftproof, Channel Framed, Height (In.) 30 in, Width (In.) 18 in - TPM-1830 Stainless Steel Toilet Paper Dispenser They control airflow to theWashroom Mirror; Type: Theftproof, Channel Framed; Width (In.): 18 in; Height (In.): 30 in; Depth (In.): 1 2 in; Body Material: Galvanized Stainless Steel; Frame: Stainless Steel; Includes: Mounting Hardware; Mirror Surface: Glass