filtertop

English

Etymology

filter +‎ top

Noun

filtertop (plural filtertops)

1. The top section of an animal cage, such as a microisolator, that incorporates a filter.
   • 1983, Laboratory Animal Science, page 502:

     To avoid further problems, animals were housed in shoebox cages with filtertops in a laminar-flow cabinet within an isolation cubicle. All caging, feed, water, and bedding were autoclaved before use.