NK Unknown Border unit Replacement Tube - Neon Sign Part12mm measuring 12" W x 10 1 2" H Red neon when lit Clear when unlit *Pictures for reference only.* **Please take the time to choose the correct replacement part(s) for your neon sign(s). If you have any questions, use the "Contact Us" link below. We provide comprehensive details for each product to help you make an informed decision. Please note that all sales are final.**

9mm measuring 18" W x 3 1/4" H

9mm measuring 16" W x 8" H

8 mm measuring 10 1/2" W x 2" H

12mm measuring 15 1/2" W x 4" H

Plastic Plastic if available is P371-S

8mm measuring 18" W x 20 1/2" H

8mm measuring 12 1/2" W x 5" H

8mm measuring 10" W x 4" H

Measuring 4" W x 2 1/2" H

8mm measuring 10 1/2" W x 1 1/2" H

12mm measuring 19" W x 25" H

12 mm measuring 15 1/2" W x 13" H