Maple Tapper Filter Set 8 Qt - One Maple Sugaring Heavy Duty Synthetic Filter and Two Pre Filters - All Reusable Each filter set comes with 1 heavy duty Synthetic filter and 2 pre-filters Both types of these 8 Quart filters are cone shaped so they will fit together with ease. These filters are made to last for many seasons with proper care and use Using the pre-filters cones lengthen the life of the more costly Synthetic cone filter These 8 quart filters are easily used folded for 5 quart filter use.