The film stretches easily around irregular surfaces
making it a standard tool for water quality laboratories
420HC clip point knife with straight edge
7 A Airflow Up to ~1 CFM Up to ~2 CFM Best For Small tanks and livewells Larger hauling tanks and hatchery systems
4" × 125' Roll is the industry-standard flexible sealing film used in research
Surveyor's / Supervisor's Vest, Black Clearance The film stretches easily aroundProduct Code: 694BK The Pioneer 694BK Premium Surveyor's Supervisor's Vest is a heavy duty, high visibility work vest designed for surveyors, engineers, construction supervisors, forestry professionals, utility workers, and environmental field staff. Manufactured from 10 oz (350 GSM) black cotton duck, the vest combines rugged durability with exceptional storage capacity, featuring 19 pockets and storage compartments, multiple radio clip straps, and