Kastar 1-Pack Battery Replacement for Waterpik Sensonic Toothbrush, Waterpik SR-3000 SR3000 Tooth Brush, Electric Shavers, Razors, Telecoms, UPS, Smart Grid, Meters, Radios, RC devices, Electric Tools - Walmart.com
Amazon.com : SRRB-4W Replacement Brush Heads for Waterpik Sensonic (SR-3000), Complete Care (WP-900), Complete Care 7.0 (WP-950, WP-952), Ortho Care (WP-940) : Health & Household
Waterpik Triple Clean Replacement Brush Heads, OTRB-3WW White | Walgreens