50 Pcs/Set Micro Bubbler Drip Irrigation Adjustable Emitters Stake Water Dripper Farmland watering Use 4/7 mm Hose
https://www.vogueparade.com/shopping/EN/125/1/4001255341920/50-pcsset-micro-bubbler-drip-irrigation-adjustable-emitters-stake-water-dripper-farmland-watering-use-47-mm-hose//