The PrimoChill - Threaded G 1/4 Funnel makes filling your system much easier. The G1/4 thread makes it compatible with most fill ports and reservoirs. Features Simple install and usage Simplifies the addition of fluids to your system Available in different colors Specifications Industry standard G 1/4 threads Water tight Material: Nylon Funnel Opening Size: 2in Funnel Height: 1in. Included Parts 1x G 1/4 Funnel 1x Sealing o-ring Warnings Over tightening is unnecessary and will result in difficult removal. Not responsible for any hardware damage. Use at your own risk.