16 Black & White Toothbrush Heads for AquaSonic DUO Series & Home Dental Center

AquaSonic Duo Series Replacement Brush Heads for Normal & Sensitive Teeth Compatible with Duo Series & Home Dental Center Toothbrush Handles NOT Compatible with Duo Series PRO 2 8ct Sets of black & white toothbrush heads created for Normal to Sensitive Teeth. Each pack has 8 heads, 4 white & 4 black. Retail on Amazon for $$49.90. Opened one pack & found it didn’t fit my toothbrush. So I taped the 2 packs together to keep clean.