Rite in the Rain Book, Model 351 Submersible Pumps & Controllers A direct-read scale printed on

A direct-read scale printed on each tube means faster sampling time with no confusion

detailed GLP

The AQS 1 combines a robust nephelometer

45-micron filter media

with an IP65-rated main unit and an IP55-rated monitor

Rite in the Rain Book, Model 351 Submersible Pumps & Controllers A direct-read scale printed onSKU 71313 Rite in the Rain Book, Model 351 Staple bound field notebook with a Field Flex (flexible tagboard) cover. Sized 4 5 8" 7". Part of the FLDS product group under the ENVIRON business line. The flexible cover and staple binding make this a lighter, more compact option compared to the hardbound Fabrikoid models good for situations where portability matters more than durability.