Original factory made: 1ml Golden CBD ceramic vape cartridge features no-lead brass,S.Steel atomizer pole,glass tube and universal 510 thread.
Feeding oil hole:4*Φ2.0mm
Materials:Ceramic, Brass,Stainless steel, glass, silicone
Suggested oil concentration range:500 – 850 cPs @ 25°C [77°F](The oil holes can be adjusted to meet different oil concentration)
Suggested working tempeture:-10°C to 60°C [14°F to 60°F]
Suggest working humidness:35% – 70%
Suggested storage tempeture:18°C–28°C[64.4°F–82.4°F]
Suggest storage humidness:35% – 70%