HIGHFLOWPRO® 3 8" MNPT V Style Euro Interchange Steel Air Plug Fitting (High Volume Low Pressure Application) 3 8 coupling This 9 piece replacement kit Package:ProBushing Small (PMXPPB3125) This 9 piece replacement kit will replace old or worn o rings in Milton ® FRL modular This collection of couplers and plugs: Will interchange with all Milton ® and other T style couplers plugs Offer a maximum airflow of 40 standard cubic feet per minute (except for select Push Button options) Offer a maximum of 300 pounds per square inch Can withstand a max temperature of 250 degrees Fahrenheit HIGHFLOWPRO ® couplers and plugs deliver up to 70% more flow to deliver more power to your air tools More torque and greater speed are just a couple of the benefits possible with Milton ® V Style HIGHFLOWPRO ® Plug