Feature: 1. Natural rubber is made by processing, whixh has strong elasticity, soft hand feeling and rapid inflation.2. The parts are tightly connected and leakproof; selected material ensures strong aging resistance. 3. Thickened air sac is explosion‑proof and rupture‑proof, which is very practical. 4. Laboratory rubber ball is made of high‑quality rubber, which is non‑toxic, tasteless, safe and . 5. Easy to operate, connect the rubber air pipe to the instrument or equipment that needs to be refilled, and manually squeeze the rubber ball. Specification: Item Type: Rubber Squeeze Bulb Package List: 1 x Rubber Squeeze Bulb |