ScanX Barrier Envelopes by Air Techniques SKU 446-0174AA $26.99 - $68.99 $27.99 0 - $27.99 1 - $26.99 2 - $68.99 4 - translation missing: en.products.status.sold_out 0 1 2 4 Size 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Patented envelope prevents ambient light from reaching the sensitive side of the imaging plate. Features transparent side for accurate plate positioning.