Pneumatic accessories
Quick couplers, FRL, coil hoses for air — not generic hose by the metre and not garden watering.
This page is air-line accessories: quick couplers, filter-regulator-lubricators, coils. Generic hose you cut by the metre lives under Consumables → Hoses. Garden watering hoses under Garden.
Match thread, pressure and whether the coupler is Euro or another standard.