Check the listing for details. NEW GENUINE OEM MAZZEI 584K SPA HOT TUB OZONE INJECTOR 3/4 KYNAR BLACK 584-PVDF. Condition: Open box. Listed at 34.99 USD. NEW GENUINE OEM MAZZEI 584K SPA HOT TUB OZONE INJECTOR 3/4" KYNAR BLACK 584-PVDF Genuine OEM Mazzei product Mazzei Injector #584K (Black), 3/4"HB for Hot Tubs Specifications:Black, KynarOzone- and weather-resistant for longer lifespan3/4" Hose Barbs for easy installation into flexible plumbing List Price: $79.00 SAVE with this listing PLUS get FAST SHIPPING!!! Buyer is responsible for making sure Mazzei model# 584K and specifications match their intended application prior to purchasing and installing. Returns accepted within 30 days where item is in new uninstalled condition. Original and return shipping are non-refundable.NEW GENUINE OEM MAZZEI 584K SPA HOT TUB OZONE INJECTOR 3/4" KYNAR BLACK 584-PVDF Genuine OEM Mazzei product Mazzei Injector #584K (Black), 3/4"HB for Hot Tubs Specifications:Black, KynarOzone- and weather-resistant for longer lifespan3/4" Hose Barbs for easy installation into flexible plumbing List Price: $79.00 SAVE with this listing PLUS get FAST SHIPPING!!! Buyer is responsible for making sure Mazzei model# 584K and specifications match their intended application prior to purchasing and installing. Returns accepted within 30 days where item is in new uninstalled condition. Original and return shipping are non-refundable.