H14 HEPA filter 575mm x 575mm replacement filter 99.999 Effective Perfect solution for DIY Laminar Flow Hoods

  

57.5cm x 57.5cm h14 hepa filter. Make your laminar flow hood, or replace the old humble existing filter.

H14 99.999% effective 0.3um replaceable hepa filter. Box sizes are 24x24x10 inches. Fan unit is not included.