WILKINS AG-11 AIR GAP
AIR GAP FITTING FOR THE WILKINS 375 AND 375XL 3/4" AND 1"
WILKINS AG-6 AIR GAP FITTING
FOR 2 1/2"- 6" 375/475/975 MODELS
ORDERED TO SHIP DIRECT TO YOU FROM WILKINS. IT IS NOT A STOCK ITEM FOR ME.