Compatibility: Fit Shark Miele corded vacuums, like: Navigator Lift-Away NV360/ Rotator NV501/ Rocket HV301 HV322/ Stratos; NOT for Shark cordless vacuums Dog Hair Vacuum Attachment: Pet shedding tool to capture loose fur, suck the loose fur into vacuum Easy Install & Groom: Optional adapters match different vac port, one-hand grooming, press button and remove hair into vac Connections: A for 1-3/8" Shark corded Rocket and Miele vac, B for 1-1/4" to 1-3/4" other Navigator Lift-Away Rotator, 1-1/4" inner diameter of pet brush and hose end Tips: If pet is afraid of vacuum noise, please reduce the power, plus the extension wand (lower noise as far away from pet) or vacuum OFF Portek Dog Hair Vacuum Attachment Pet Hair Shedding Grooming Tool (for most corded Shark vacuums) is designed to resolve loose pet hair in all seasons. Simple one-handed operation to remove the undercoat of cats and dogs, overcoming pet owner challenges and creating a clean life. If pet is afraid for vacuum noise: 1. At the beginning, please try grooming pet with vacuum OFF if it is scared about vacuum noise. Turn on the vacuum and push the button to forward to remove the undercoat fur via vacuum suction after the tool with enough hair. Repeat it until pet is groomed well. 2. Or reduce noise via suction adjustment (ECO or Standard Mode instead of Max.), train pet with treats and patience several times, then your pets will be familiar and enjoy the grooming time.