Color:

Green small square furnace (buckle without pipe)

Lu color small square furnace (with pipe buckle)

Lu color small square furnace (with pipe screw)

Lu color small round furnace (buckle without pipe)

Lu color small round furnace (with pipe buckle)

Lu color small round furnace (with tube screw)

Red small square furnace (buckle without pipe bubble bag)

Red small square furnace (buckle ductless canvas bag)

Red small square furnace (with pipe buckle)

Red small square furnace (with pipe screw)

Red small round furnace (buckle without tube)

Red small round furnace (with pipe buckle)

Red small round furnace (with tube screw)

Black small square furnace (buckle without pipe)

Black small square furnace (with pipe buckle)

Black small square furnace (with pipe screw)

Black small round furnace (buckle without tube)

Black small round furnace (with pipe buckle)

Black small round furnace (with tube screw)