1 pack of 12 sterile white velveteen squares (6 x 6 in.)
May be disinfected between uses with a brief rinse in 70% ethanol or chlorine bleach
Aluminum ring is 10.2cm (4 in.) diameter; PVC cylinder is 6.9cm (2.75 in.) high
For use with 90 to 100mm Petri dishes
Includes 12 white velveteen squares
Replacement velveteen squares available in White (H37848-0001) or Black (H37848-0002)
To produce replicas, the Petri dish carrying microbial colonies is inverted and lowered onto the cloth surface, then lifted. A fresh sterile nutrient plate is then lowered onto the velveteen surface and lifted, leaving a replica of the original colonies in the new dish.