


Ultra-soft 3-ply non-woven construction designed for the kind of long-wear sessions that come with sterile lab work, monotub flushes, and air travel. The balance between filtration and breathability is the whole point — these are masks you can actually wear through an eight-hour shift without taking them off for relief.
• 3-ply non-woven construction for balanced filtration and breathability • Soft, sturdy ear loops that don't bite after an hour • Adjustable nose piece for a contoured seal across most face shapes • 50 individually-stacked masks per pack — about $0.18 per mask
In a cultivation context, masking matters most during inoculation, agar work, and any time you're around freshly fruiting mushrooms — spores release in massive volumes during sporulation and create both contamination risk for your other grows and respiratory load for you. A clean disposable mask between your face and the fruiting chamber is cheap insurance.
Outside the grow room, the same masks work fine for travel, public transit, and any day you'd rather not breathe in what the person next to you is breathing out.
At fifty masks per pack you'll want one stack in the grow room, one stack in the lab kit, one stack in the truck, and one stack by the front door. They store flat, take no space, and outlast every other style of mask you've tried.