"DANNER" CARBON AND COURSE  

• Measurement is 12" x 12".
• Replacement pads for the Pondmaster 1000 and Pondmaster 2000 pond filter.
• Individual coarse filter, fine carbon filter and combination pack selections.
• Easily slips into a model No. PM1000 filter box or 2 pads fit the larger model No. PM2000 filter box. 
• Both materials can be removed and cleaned from the Pondmaster filter.
• The carbon filter needs to be replaced on a regular basis to avoid matting resulting in reduced flow.
• 2 Pack.