Amazon.com: 2-Pack CR-10 Heater Block for Creality All Metal Hotend Ender 3s Ender 3 pro Ender 5 Pro CR10 S4 S5 3D Printer (Aluminum) : Industrial & Scientific
Cole-Parmer® BH-250 Series Dry-Block Heaters from Cole-Parmer
VWR® Standard Dry Block Heaters, 120 V | VWR
Cole-Parmer Block Heater Insert, Single Wide, 20 x 2 mL Tubes from Cole-Parmer
Heater Block Upgrade with Silicone Sock for CR10 / Ender 2 / Ender 3 / — Micro Swiss Online Store
Phaetus Dragonfly Heater Block - 3DJake International