Specification AgeRangeDescription : adult Brand : Precision Laboratories BulletPoint : ANTI-FREEZE TEST STRIPS BulletPoint1 : Perfect Fitment — All parts compatible replacements for Pentair MasterTemp pool and spa heater electrical systems, also fits for Pentair Sta-Rite Max-E-Therm pool and spa heater electrical systems. BulletPoint2 : Kit Includes: Stack Flue Sensor, Thermistor, Hi Limit Switch 135°F & Gas Shutoff Switch 140°F. BulletPoint3 : Built To Last — Constructed from high standard stainless steel for good rigidity, durability and anti-corrosion. High precision and hardness ensure an unparalleled long lifespan! BulletPoint4 : Direct Replacement — Compatible replacements for part numbers 42002-0024S, 42001-0053S, 42002-0025S, 42001-0063S. Please check the part number for your heater before purchase. BulletPoint5 : [3-in-1 Precision Detection] Salinity+Conductivity+Temperature, real-time monitoring of salinity (0-9900ppm), EC value and water temperature, to avoid frequent replacement of equipment, saving 50% testing time. Color : One Color ExternallyAssignedProductIdentifier : 9439996018408 ExternallyAssignedProductIdentifier1 : 0703765977593 ExternallyAssignedProductIdentifier2 : 703765977593 ItemName : Cobalt Chloride Humidity Test Strips, Pack of 1,200 ItemPackageDimensions_Height : 6.858 centimeters ItemPackageDimensions_Length : 8.636 centimeters ItemPackageDimensions_Width : 6.35 centimeters ItemPackageQuantity : 12 ItemTypeKeyword : swimming-pool-testing-strips Manufacturer : Precision Laboratories Material : Stainless Steel ModelName : UNbit ModelNumber : 42002-0024S NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : 43188-229429 PowerSourceType : AC/DC ProductDescription : Paper, Test; Cobalt Chlorine; 100 strips per vial; 12 vials ProductSiteLaunchDate : 2011-09-30T18:34:25.875Z Size : 4pcs Style : Extended Probe Pool Salt Tester and 3 in 1 Tester SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 41113000