Pack of 25 Test Tubes with Screw Caps Digestive System Model The apparatus is designed for

The apparatus is designed for comparing rates of absorption or evolution of gases by small organisms

Durable Construction: Crafted with high-quality materials for long-lasting performance and resilience

1 Hz-100 KHz

Adult/Child separate power buttons Child Mode delivers 50J Pediatric shock for patients weighing less than 25kg

Pack of 25 Test Tubes with Screw Caps Digestive System Model The apparatus is designed forPack of 25: This set includes 25 test tubes with screw caps, making it a great choice for laboratories, schools, or other settings where multiple tubes are needed. 10ml Capacity: Each tube has a 10ml capacity and measures 16mm x 100mm, providing ample space for samples, cultures, and experiments. Premium Quality Borosilicate Glass: These tubes are made from premium quality borosilicate glass, which is heat resistant and able to withstand high