10 x 4.5 AP housing comes with 1 x 20 micron pleated sediment, white powdercoated bracket and related screws,1 x opening spanner.

The whole house Big Blue single comes with 1 x AP 20" x 4.5" housing, 1 x 20 micron pleated sediment, 1 x mounting bracket a related screws, 1 x opening spanner

The Twin whole house system comes with 2 x heavy duty 20" x 4.5" Pentek housings, white powder coated bracket and related scews, 1 x opening spanner, 1 x 10 micro carbon filter, 1 x 5 micron sediment filter.