Humidity Indicator Card Tips:

Environmentally friendly cobalt-free humidity indicator card, indicating range 10%～60%.
When the humidity in the environment around the humidity indicator card rises to a certain value, the corresponding indicator point on the indicator card will change from brown to light blue.
When the indicator point becomes gray (between brown and light blue), the value in the indicator point is the current ambient humidity.

Note: When the humidity reaches 50%, it is recommended to replace the desiccant.
Store in a dry, cool environment; avoid direct sunlight and water.
The humidity card can be reused after drying in an oven or hot air.

Product advantages:

1. The vacuum bag adopts double seal design, single-sided embossing treatment, good sealing performance, can achieve the best moisture-proof effect, and saves time and effort when pumping air.

2. The vacuum bag is made of BPA-FREE and FDA-certified food-grade PE+PA composite material, strong and durable, recyclable, safe and environmentally friendly.

3. The vacuum bag is specially designed for 3D printing filament, which can be adapted to 0.5KG/0.75KG/1KG package of 1.75mm/2.85mm/3mm filaments.

4. The humidity card has high sensitivity and can be used repeatedly, so you can know the dry and humidity of filaments at any time.