For Philips Sonicare G3 Premium Gum Care Standard sonic toothbrush heads HX9924 HX9954 HX9984 HX993W HX993P HX993B HX993S HX9903 - AliExpress
Ofashu Toothbrush Replacement Heads for Philips Sonicare DiamondClean Premium Plaque Control C1 C2 C3 G3 W3 4100 5100 HX9044 Hx6250, Black, 8 Packs Sonic Electric Brush Head Black Blue 8 Count (Pack of 1)
Philips Sonicare Premium Gum Care Replacement Toothbrush Heads, HX9054/65, Smart Recognition, White 4-pk - Walmart.com
Philips Sonicare Smart 9300 Premium C3 /G3 / W3 Lite Kit | No Box | Black | eBay
Ofashu Toothbrush Replacement Heads for Philips Sonicare DiamondClean Premium Plaque Control C1 C2 C3 G3 W3 4100 5100 HX9044 Hx6250, Black, 8 Packs Sonic Electric Brush Head Black Blue 8 Count (Pack of 1)
G3 Gum Care Brush Heads Compatible with Philips Sonicare Toothbrush - 4 Pack - Walmart.com