Sale Recsea Airlock Vacuum System Free Shipping on Orders Over $200 to the US and Canada SKU: REC-RAV-S1 Recsea Airlock Vacuum System Dive with confidence in the o-ring seal of your Recsea housing with the Airlock Vacuum System. Available for select Recsea housing this system installs a vacuum valve bulkhead onto your Recsea WH(aluminum) or CW... MSRP: $200.00 Was: $200.00 Now: $120.00 Choose Options