Pay in 4 interest-free payments of $8.47 Learn more
Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
These aerators have changed little in the last 30 years
Apply 1 teaspoon (5 ml) of product per square meter
Batteries not included or needed
Response time: To 90% in less than 20 seconds
Inexpensive polyethylene tanks are gaining in popularity because of their low cost and long life expectancy
Hand Counter Booster Pump These aerators have changed littleEasily 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.
