link rel="canonical" href=" http://www.filtersfast.com/P-Filbur-FC-9840-Sta-Rite-System-3-S7D75-Pool-Spa-Filter.asp"/>
The Filbur FC-9840 is the correct compatible replacement for the following pool and spa filters:
The FC-9840 Sta-Rite System 3 S7D75 Pool & Spa Filter is a diatomaceous earth (D.E.) filter grid. This Sta-Rite System 3 S7D75 (Center Port) filter is made of 100% polypropylene cloth for superior filtering of your pool and spa water. The frame of this Sta-rite filter is made of strong and durable materials. The dimensions of this Filbur D.E. grid are 18 inches long by 13 3/4 inches wide.
The Filbur FC-9840 specifications: