Smoke Gas Absorption Bottle Sand Core Porous Clear Absorption Tube Filtration Purification Lab Use 10/25/50/75/100/125/250ml

Smoke gas absorption bottle sand core porous gas absorption tube filtration purification lab use 10/25/50/75/100/125mlNOTES:Please read the following contents. When you place an order, you agree to the following content. Returns or refunds initiated due to the following prior reminders will not be accepted.1. CHOKING HAZARD. SMALL PARTS. NOT FOR CHILDREN UNDER 3 YEARS OLD. Please be careful to avoid accidental ingestion or injury to children;2. Please allow 1-2cm difference due to manual measurement. 3. Due to the light and angle of taking photos, the actual item may be different from the photos.4. Please note that this link has multiple purchase options. The quantity, function, and version of the options vary. Please confirm each option before purchasing. Due to different production batches, the patterns, colors and accessories may be shipped randomly and cannot be specified. Also, there may be some repeated styles. 5. We 100% ensure that the products we send are brand new and have no usage problems. We will also use safe but not excessive packaging to ensure the safety of product transportation in order to protect the environment. However, there may be slight packaging damage and product scratches during express delivery. Returns and refunds due to packaging damage or minor defects that do not affect use will NOT be accepted. Thank you for contributing to our beautiful planet where our kids live.