Finally got the vented oven lid from newvape.
Some initial impressions from the one bowl pack I've had with it.
While outside on 1 leaf the hit is not as hot and slightly airier, same with heat setting 2 if you hit it with the vents fully open, however, if you cup your pax 2 in your palm or close it with a finger, you can use breathing technique to control this to get different levels of vapor production, I like this, it adds a bit of dimension. Did about 8 pulls, shut it off. Checked the bud and it was visibly still green. Stirred and gave it a whirl on heat setting 2 on my water pipe. Nice and milky! The added airflow definitely helped, again, using a finger over the lid helped control airflow and vapor production. It really excelled at heat setting 3-4 in this mode, as you can adjust the hit to be cooler or hotter when you can control the airflow with your finger. I was able to do about 4-6 more water pipe sized rips at this setting.
.2 grams heavier than the default lid. 1 whole piece vs 2 of the default lid
some finely ground cannabis could fall out of the vent holes, but the nature of weed will make it clump up around it pretty quickly preventing much if any weed falling out, would have been cool if there were a mesh screen here or the ability to pop in your own, I will probably experiment with this.
This oven lid seems to benefit screen/pax pusher users/water pipe adapter users. The added airflow being the benefit here.
I haven't noticed vapor escaping the vent holes.
I can't comment on smell yet vs the default lid but use your better judgement here.
some pics: