Hanna (HI7004L) Ph 4.01 Buffer Caliberation Solution; 500mL Sodium Removal3842 Precision-bore capillary construction provides consistent

Precision-bore capillary construction provides consistent flow restriction without moving parts or failure points

Commonly used as a post-filter for reverse osmosis systems or as a standalone filter

The double-open-end (DOE) design ensures compatibility with residential and industrial pressure housings from major manufacturers

5 lbs per cubic foot Backwash Flow Rate 8-10 GPM per square foot Service Flow Rate Up to 5 GPM per square foot (domestic) Recommended Bed Depth 24-30 inches (domestic installations) pH Requirement 6

Hanna (HI7004L) Ph 4.01 Buffer Caliberation Solution; 500mL Sodium Removal3842 Precision-bore capillary construction provides consistentHanna Instruments HI7004L pH 4. 01 Calibration Buffer Solution NIST traceable reference standard for accurate pH meter calibration in acidic range applications 500mL Bottle pH 4. 01 0. 01 Certificate of Analysis Temperature Correlated The Hanna HI7004L is a laboratory grade pH 4. 01 buffer solution prepared to precise formulas and standardized against NIST certified meters. Each 500mL bottle includes batch number, expiration date, temperature