No Filler Tube Needed. Eliminates Expulsion Of Dipstick Handle. Bolted In Sealed Pan Fitting. Accepts Standard Transmission Funnels. Made From 6061 Aluminum. Teflon-Lined Stainless Braided Outer Housing. No Pan Fitting Leaks During Storage. Flexible Inner Dipstick Measuring Cable. Made In The U.S.A.. Lifetime Warranty.