Harborlite

Aqua Perl AquaPerl ® is a new, lightweight filter media for swimming pools, engineered for use in diatomaceous earth (D.E.) filters. It is a direct replacement for D.E. filter media. The...

Harborlite Perlite Filter Aid Harborlite Perlite is a filter media of high porosity that is manufactured from perlite ore, which is an igneous mineral. When a particle of perlite ore is heated to...