Size approx: ID 42mm, OD 56mm, H 25mm. Water inlet Stainless steel Radiator Filler Neck. 1 x Filler Neck. Breather thread:NPT1/16. Made of high quality material, and practical to use. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
