Check the listing for details. Scubapro First Stg Reg HP Inlet Protector Dust Cap Dust Ball 10-101-111 Choice. Condition: New. Listed at 21.99 USD. STYLE # 1 IS SOLD OUT,STYLE #1 IS NOT AVAILABLE. Scubapro HP Inlet Protector Dust Cap Dust Ball 10-101-111 Scubapro HP Inlet Protector Dust Cap Dust Ball 10-101-111 This Auction is for ONE 10-101-111 Scubapro Dust Cap Dust Ball. There are two different styles pictured, you must message seller and state the style you want. THIS AUCTIONIS FOR ONE ONLY!!!! Diving equipment should be serviced and tested by an authorized Scubapro technician. Please review our other Scuba items offered. We will gladly combine shipping fees, if asked. Retired certified repair technician is reducing parts inventory. Many older, 20 years and more Scubapro, Oceanic, Dacor, etc parts kits, soft parts, and hard parts. If you do not see what you are looking for, message me, I may have it. Also if you want more than one of a particular item, let me know. Photos of schematics are for reference only.