The Smok Trinity Alpha Pods can hold 2.0ml e-juice, the replacement pods with Twist-to-open type filling cap, there is stainless steel filling cap for convenient e-juice filling and leakproof. there is stainless steel atomizer ring placed on the upper part of the pod where the drip tip is inserted into, the drip tip is removable and replaceable, vapers can use other 510 drip tips to replace the original one. Comes with new Mesh-MTL 0.8ohm and Nord Mesh 0.6ohm coil heads, both of the coils with mesh wire inside and covered with organic cotton, with the large heating area, longer lifespan, will deliver the more clouds and intense flavour also compatable with the Nord regular 1.4ohm and Nord Ceramic 1.4ohm coil heads.