Lightweight HDPE Plastic Bottle — Durable

they utilize an exclusive blend of natural and synthetic materials to provide superior oil filtration and increased engine wear protection

Weight: 17

Upgraded to 4 filters

Hands-Free Testing: Frees up your hands so you can focus on accurate readings

Hanna HI1285-9 GroLine Inline Multiparameter Probe - pH EC TDS Temperature Sensor MA871 Lightweight HDPE Plastic Bottle —Hanna HI1285 9 GroLine Inline Multiparameter Probe pH, EC, TDS & Temperature Sensor The Hanna HI1285 9 GroLine Inline Multiparameter Probe measures pH, EC TDS, and temperature in one convenient, rugged probe designed specifically for continuous monitoring in hydroponic nutrient solutions. This specialized inline probe is engineered for use with the HI981421 GroLine Monitor to provide around the clock monitoring of critical water quality parameters in