HTH® 67074 Pool Filter Sand, 50 Lb N/A a proprietary Insect Growth Regulator

a proprietary Insect Growth Regulator (IGR)

adding and counting the holes in each

rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Seven orifice sizes with tubular design for reduced overspray and greater texture variety

HTH® 67074 Pool Filter Sand, 50 Lb N/A a proprietary Insect Growth RegulatorSand filters play a vital role in keeping swimming pool water clean and clear. HTH pool filter sand is a superior quality filter medium for sand filtration systems. Our pool filter sand goes through a thorough washing and special grading process to provide the purest, most closely sized pool filter sand available. This product is specifically for use in all major manufacturers sand filter systems. Follow your manufacturers recommendations for proper