Hanna D.O. Screw-cap Membranes, Pkg of 5 Seine Nets Designed for Winkler dissolved oxygen DN26-NG Plug seal screw on Select a Net Size:#DN37 - 4" Deep, 9"x6", 36" Aluminum Handle Spring Scales
Baker’s notes & crumb story
Description
Hanna D.O. Screw cap Membranes, Pkg of 5 Seine Nets Designed for Winkler dissolved oxygen DN26 NG Plug seal screw on Select a Net Size:#DN37 4" Deep, 9"x6", 36" Aluminum Handle Spring Scales Designed for Winkler dissolved oxygen analysis zooplankton and benthic invertebrate studies