The “Flowtec” name is associated with the brand name Flowtech, a UK-based supplier of hydraulic and pneumatic components.

An adaptor with the specification M1/8 would indicate a thread size of 1/8″, but whether it’s a BSPP (parallel) or NPT (tapered) thread type, and the gender (male/female) will determine the exact part. Flowtec Thread Adaptor M1/8 x 27-F3/8 x 24