This is a cup seal for the Illustrator F1 markers, and is compatible with the stock valve. The cup seal has a tapered seat to allow it to self align, and provide better sealing qualities since is has more contact with the valve guide than a stock cup seal. The conical nose allows for decreased air turbulence/resistance into the valve, coupled with a smaller diameter than stock allowing for excellent flow characteristics. You will receive two (2) cup seals with your purchase. *Requires no lubrication * Conical shaped for laminar air flow * Reduced diameter * Tapered seat * Excellent sealing properties * Self Aligning |
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