Pressure Drop Charts Categories Plastic Ceramic Metal Plastic 1A Plastic Mach Mini-Rings 1″ Plastic Rings 1.5″ Plastic Rings 2″ Plastic Rings 3.5″ Plastic Rings 5/8″ Plastic Rings 1″ Tri-Packs 2″ Tri-Packs 3.5″ Tri-Packs 2A Plastic Mach Mini-Rings Caramic 1/2″ Ceramic Saddles 3/4″ Ceramic Saddles 1″ Ceramic Saddles 1.5″ Ceramic Saddles 2″ Ceramic Saddles 3″ Ceramic Saddles Metal Metal VSP-25 Metal VSP-40