Self Sealing Inserts - (1) Pair
$2.75
The Famous Self Sealing Inserts. 3 sizes to fit all D2 bottles. Sold in pairs of 2.
20mm inserts fit All D2 2oz & 4oz kits or any bottle with a 20-410 neck
24mm inserts fit all D2 8oz & 16oz kits or any bottle with a 24-410 neck
28mm inserts fit all D2 32oz & 64oz kits or any bottle with a 28-410 neck
