Sedgewick Rafter Counting Chamber, Glass with Grid Rite in the Rain Order by mesh (micron size) 11000 Select a Range:1-100 Ideal for long term Bags

Order by mesh (micron size) and number of linear yards

Its durable orange polypropylene cover and white plastic side spiral binding provide excellent durability while allowing the notebook to lie flat for convenient writing in the field

Manufactured from durable clear acrylic

Compatible with manual shaking or laboratory sieve shakers

Non-adhesive

Sedgewick Rafter Counting Chamber, Glass with Grid Rite in the Rain Order by mesh (micron size) 11000 Select a Range:1 100 Ideal for long term Bags Order by mesh (micron size) and number of linear yards Its durable orange polypropylene cover and white plastic side spiral binding provide excellent durability while allowing the notebook to lie flat for convenient writing in the field