This replacement seal is an authentic Bostitch replacement item. It is supplied from original equipment manufacturer for use with Bostitch nailers/staplers. This item provides and ait tight seal for the poppet. Over time seals tend to bcrack allowing for air leaks. It is advised to keep an eye on condition of seals and replace them if the tool experiences interuptions of power. This seal is made out of compound material and it is sold individually.
