Integra Boost Humidity Indicating Cards of 10%-60% (10pcs) Mushroom Growing Kit Depot giving you a 100% natural

giving you a 100% natural product

and even homes

• Non-volatile memory

and light (photocell)

Integra Boost Humidity Indicating Cards of 10%-60% (10pcs) Mushroom Growing Kit Depot giving you a 100% naturalDescription Integra Boost Humidity Indicator Cards have a 10% 60% relative humidity range and are a simple, fast and effective way to visually verify the integrity of your product. Excellent for home hobby use, as well as for a business to boost their customers' confidence in your product line. Perfect size for putting in a glass jar or other storage device. Use in conjunction with Intregra Boost Humidiccant humidity control packets (also available).