GroLine pH 4.01 Calibration Buffer (230 mL) veg-and-bloom Replaces a 400 watt HPS

Replaces a 400 watt HPS light with 40% less power

This formula ensures optimum growth

Working Environment:                 Temperature 32-122°F

Replacement MERV 11 Media Filter for model A200V1

• Unique diverter allows the user to control the airflow and suction depending on their needs

GroLine pH 4.01 Calibration Buffer (230 mL) veg-and-bloom Replaces a 400 watt HPSHI7004 023 is a high quality pH 4. 01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper proof seal to ensure the quality of the solution. Hanna's line of technical calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened