fitting#원터치피팅#호스연결#튜브피팅#정수기피팅#정량밸브#정수기자재#1:4인치#1/4:1/4inch#정수기부품#폐수저항#FR-1000#SC00210002651000ml#밸브#폐수저항정량밸브#폐수저항밸브#폐수저항 밸드#피팅#폐수저항 피팅#VALVEfitting#one-touch fitting#hose connection#tube fitting#water purifier fitting#quantitative valve#water purifier materials#1:4 inch#1/4:1/4 inch#water purifier parts#wastewater resistance#FR-1000#SC00210002651000ml#valve#wastewater resistance quantitative valve#wastewater resistance valve#wastewater resistance valve#fitting#wastewater resistance fitting#VALVE