− Decrease quantity for Air Filter Element, X-Stream, Round, Clamp-On, Cotton Gauze, Oiled, Red, 4.00 in. OD, 3.50 in. ID, 5.75 in. Tall, Filtered Cap, Each Quantity + Increase quantity for Air Filter Element, X-Stream, Round, Clamp-On, Cotton Gauze, Oiled, Red, 4.00 in. OD, 3.50 in. ID, 5.75 in. Tall, Filtered Cap, Each Add to cart