#Blue_sea Please check out our other products too~ This is a TUSA RS671 regulator set, including an octopus, gauge, and medium-pressure hose. It has been tested and is currently in working order, with no air leaks or malfunctions. I believe it can be used without any problems. Thank you for looking. 【Shipping】 Shipping included, free shipping Secure Mercari delivery service, anonymous shipping 【Other】 Fins, diving accessories, small items Masks, regulators, boots, BCs Snorkels, dive computers Gloves, wetsuits, drysuits We are also selling other diving equipment. Please take a look. #scubadiving #freediving #snorkeling #snorkeling #snorkel #snorkel #marinesports #mouthpiece #diving #blacksilicone #mouthpiece #regulator #octopus #scubadiving #snorkeling #aqualung #freediving #snorkel #fins #3piece set #weights #weights #lead #lead #sea #spear #bargain #superbargain #sas #tusa #mares #nikkatsu #spro #s-pro #okinawa