DRCZeta - Universal Fork Seal Driver & Replacement Adapters - D59-26-908 Option:Replacement Adapters (D59-26-908) These vents will do just

These vents will do just that

Rounding out the list is a shorter removable

Ultra-hard surface layer reduces friction to prevent power-loss caused by chain drag

Additionally

You can even blow air through the filter from the inside out to remove any small particles or cleaning agent from the screen if you so desire

DRCZeta - Universal Fork Seal Driver & Replacement Adapters - D59-26-908 Option:Replacement Adapters (D59-26-908) These vents will do justFork seal driving tool for small diameter front fork tube. Can be used for front fork tube diameters ranging from 26 mm to 39 mm. Comes with 2 different sized rubber plastic adapters. Can be used for most conventional and up side down front forks. Ergonomic steel body design for less power and accurate operation.