Graphing Paper, 3-Hole Punched, 8 x 10 1/2, PK480 Sold as 6 packs for a total of 480 sheets. Measures 8" x 10 1/2". Smooth White paper with a 1/4" grid ruling and 3-hole punched..
X 20 Universal Meltblown Fiter Cartridge 1-Pack replacement FC-1976.. Our Universal fit Meltblown Pool Filter technolgy has superior sediment and dirt-holding capacity allowing chlorine and other chemicals to do their work more efficiently.