<UL><LI>Includes Preservative Tube, Urine collection cup and Castile Towelettes</LI><LI>BD Microbiology Collection products contain a lyophilized preservative that maintains urine for up to 48 hours at room temperature</LI><LI>The preservative helps to prevent overgrowth without causing toxicity to existing pathogens</LI><LI>Minimum fill line (3mL) ensures proper additive to urine ratio</li></ul>