Pay in 4 interest-free payments of $8.47 Learn more
Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
Response time: To 90% in less than 20 seconds
Batteries not included or needed
Dual scale
These aerators have changed little in the last 30 years
even when the foam is completely saturated
Hand Counter Booster Pump Response time: To 90% inEasily fits in your hand to be thumb operated. The register advances by one digit, up to 9,999, each time the button is pressed. A turn of the side knob resets the register back to zero. Its a great tool for counting algae cells, zooplankton, fry, people, etc.
US$ 85.99
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US$ 139.99
