Suggested Retail: $31. APPEARS NEW. Finest-Filters - 6 x Compatible Tetra EasyCrystal 250/300 FilterBox Filter Pack This filter pack includes six compatible filters for Tetra EasyCrystal 250 and 300 filter boxes. Designed for easy installation and maintenance, these filters provide clear and clean water for your aquarium. They effectively remove impurities and enhance the overall quality of the water. Ideal for maintaining a healthy aquatic environment, they are essential for any fish keeper. Brand: Finest-Filters. [Reference: 7ptE3sDKC4KpvWxxu4b5w4]. Type: Regular. 7 CALENDAR DAY FULL REFUND GUARANTEE (FROM PRIMARY PICKUP DATE) ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE (FROM PRIMARY PICKUP DATE) IS ALSO AVAILABLE. THE PRIMARY PICKUP DATE IS THE DAY AFTER THE AUCTION ENDS. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.