Spacer Tray 12/Pk Perforated Large Lower #20D by GC America SKU 970-1737AA 123 $11.99 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out Spacer Trays #20D Large Green Perforated Lower Full-Arch Plastic Impression Tray, Zig-Zag (250201)