Caplugs ZDP121KB1 Plastic Threaded UN and UNS Plug. DPN-12, PE-HD, to Plug Thread Size 1-16″, Blue (Pack of 50)
https://www.amazon.com/dp/B077DCN49D?tag=dmflip-20&linkCode=ogi&th=1&psc=1
Caplugs ZDP121KB1 Plastic Threaded UN and UNS Plug. DPN-12, PE-HD, to Plug Thread Size 1-16″, Blue (Pack of 50)
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