https://hybrid.supply/product_info.php?products_id=1662&language=en
DREHMEISTER Feedthrough M10x1 with 6mm hose fitting for polyamide hose
This connection adapter enables the extendable injection of LPG or CNG through the intake manifold and serves as a secure feed-through for the polyamide hose...
hose fittingdrehmeisterfeedthroughpolyamide