MSA APR ULTRA ELITE MASK RESPIRATOR ADAPTER 1/4 TURN STYLE INLET - THESE HAVE THE 1/4 TURN STYLE QUICK CONNECT PLEASE CONFIRM YOUR STYLE MASK PRIOR TO PURCHASE- THE LAST PICTURE SHOWS THE PROPER MASK FITTING THAT IS NEEDED - THESE ARE OLD STOCK NEVER USED - THE FILTER IS A P100 ADVANTAGE - COMES AS PICTURED - 1 ADAPTER - 1 END CAP - 1 FACE BAFFLE