Salinity Refractometer for Seawater and Marine Fishkeeping Aquarium 0-100 PPT - Dual Scale (1.0 to 1.070 S.G.) - Automatic Temperature Compensation sold2026 (3) 4 inch door hinges

(3) 4 inch door hinges with (8) holes

which are durable

Compatible battery models: FNB-58 FNB-58Li FNB58Li FNB-80 FNB-80Li FNB80Li

From the Manufacturer Analog Battery Tester

Salinity Refractometer for Seawater and Marine Fishkeeping Aquarium 0-100 PPT - Dual Scale (1.0 to 1.070 S.G.) - Automatic Temperature Compensation sold2026 (3) 4 inch door hingesSalinity Refractometer for Seawater and Marine Fishkeeping Aquarium 0 100 PPT Dual Scale (1. 0 to 1. 070 S. G.) Automatic Temperature Compensation Automatic Temperature Compensation Salt Salinity Refractometer Dual Scale 0% 10% & 1. 0 to 1. 070 S. G. Dual Scale Hydrometer. Designed for the safety transportation purpose, the very 1st open of the product case might be tight. Refractometer for seawater, reef aquarium, kitchen use etc. 0 100 ppt : Our