Fish Egg Hatching Jar - Replacement Top Screen Tools and Hardware These cover glasses are suitable

These cover glasses are suitable for use with Neubauer improved counting chambers

Also has a 12/24 hour alarm clock

Retractable aluminum pole adjusts from 52 to 84 inches

Helps reduce the risk of damage during transportation and storage

Fish Egg Hatching Jar - Replacement Top Screen Tools and Hardware These cover glasses are suitableProduct Code: J8 The J8 Replacement Top Screen is the replacement screen for the J30 Egg Hatching Jar Manufactured from durable, corrosion resistant plastic mesh, the J8 features a 1,000 micron mesh designed to prevent fish eggs from escaping the incubator while maintaining unrestricted water flow and excellent oxygen exchange throughout the incubation period. During incubation, the J8 screen securely retains eggs within the J30 hatching jar while