Model #5000 Battery Vent Cap This vent cap is designed for European and Douglas batteries. It fits into a 1-3/8 inch (1.375″) diameter vent hole. Please measure your battery before ordering. Benefits: Water level indicator basket for more accurate fills The flip-open top allows quick inspection & watering Push-in style with rubber O-ring seal (included) Made in the USA in our Ohio factory For information on how to select the best vent cap model for your battery, please visit our FAQ page. This vent cap can be purchased individually or by the box. One box contains 500 vent caps. To order a box, enter a quantity of 500 for one box, 1000 for two boxes, etc. A bulk discount is automatically applied when ordering 500 or more. To buy this battery vent cap, enter the desired quantity and select the Add to cart button. Then select the Checkout button that appears at the top left.
