ITEM NAME:Air Lock with Cap Beer Fermentation Wine Making Twin Bubble Grommet Airlocks Z a.imagelink a:hover.imagelink {color:#db3606;.Allows CO2 to Escape, But Prevents Air From Contaminating Your Beer or Wine. 1Pc Air Lock. Three Piece Design Makes It Easy to Disassemble and Clean. Size:11.5cm x 3.8cm x 0.9cm/ 4.4" x 1.4" x 0.3" --- Inside:5cm x 2.5cm/2.0" x 1.0".
