Filter Media » Filter Wool PT-1780 » Laguna Filter Wool PT-1780

Laguna Filter Wool is an effective mechanical filter media that removes fine particles and prevents pond filters and other filter media from clogging. The special filter media polishes pond water and helps produce ultra clear conditions. The filter wool is non-toxic and chemically inert and is safe for fish and plants. For underwater and external pond filters. 150 g (5.25 oz).