Integra Boost Humidor Bags - Vertical Shape - 100/pk HPS Bulbs The 4510 pleated filter is

The 4510 pleated filter is the 4

That low-expansion design also gives you better control and less fatigue at the wand

The ILUMINAR 1000W DE HPS is a complete commercial fixture pushing 2

Grow 500 ml

and peat for flexible cultivation setups

Integra Boost Humidor Bags - Vertical Shape - 100/pk HPS Bulbs The 4510 pleated filter isIntegra Boost Humidor Bags Vertical Shape, 100 to a Pack The vertical bag runs 8" high by 5" wide inside and takes sticks up to 7. 5", roughly five at a time. A zipper closure seals it, so the bag holds a stable headspace instead of leaking to the room. It is a container rather than a humidity system, which is the part most listings get wrong. Nothing is built into the material and there is no RH rating on the bag itself. Integra's own instruction is