3d printing dry filament storage bag 3D filament vacuum bag for PLA/ABS/TPU Humidity Resistant reel bag 3d printer accessories

Usage：

Step 1 ：Put the filament in the bag

Step 2：Seal the zipper with clip

Step 3：Place the hand pump on the air valve

Step 4：Turn on the pump to suck out the air

Step 5：Press the exhaustport with your hand

Step 6：Write the mark

Kind reminder

1. The blue disc cannot be torn off

2. The contents of the bag cannot exceed the white line

3. No debris (liquid, powder) is allowed inside the disc.

4. Bubbles are prohibited on the discs