Carolina's Perfect Solution Pig Kidney, Double Injection, 1 Per Bag;

A Carolina Exclusive! Carolina's Pig Kidneys are shipped in safe, nontoxic Carolina's Perfect Solution. Carolina's Perfect Solution - an alternative to formaldehyde - is a revolutionary fixative that produces superior specimens while improving the safety of your classroom or lab. Tissues and organs are extremely lifelike and retain better color and texture than with other preparations. Double Color Injection: Arterial system injected with red latex. Second injection of blue latex in systemic veins. Carolina's Perfect Solution specimens are also ideal for homeschool use. The specimens are safe and nontoxic, which means you need no special ventilation and there's no costly disposal.