This is for a brand new bag of Acurel LLC 100-Percent Polyester Filter Fiber 2 Oz. Aquarium and Pond Filter Acurel 100-percent polyester filter fiber is a cost effective, durable filter fiber batting that effectively traps debris and small particles in the filter, leaving your water crystal clear. Acurel filter fiber creates fewer gaps for better performance and will compliment the performance of any filter. For use in all fresh and salt water aquariums. - Improves fish health; removes more particles than formed fiber sheets - Loose fiber batting creates a tighter fit - 100-Percent polyester; will not degrade - Suitable for all filters - For use in all fresh and salt water aquatics This is for a brand new bag of Acurel LLC 100-Percent Polyester Filter Fiber 2 Oz. Aquarium and Pond Filter Acurel 100-percent polyester filter fiber is a cost effective, durable filter fiber batting that effectively traps debris and small particles in the filter, leaving your water crystal clear. Acurel filter fiber creates fewer gaps for better performance and will compliment the performance of any filter. For use in all fresh and salt water aquariums. - Improves fish health; removes more particles than formed fiber sheets - Loose fiber batting creates a tighter fit - 100-Percent polyester; will not degrade - Suitable for all filters - For use in all fresh and salt water aquatics This is for a brand new bag of Acurel LLC 100-Percent Polyester Filter Fiber 2 Oz. Aquarium and Pond Filter Acurel 100-percent polyester filter fiber is a cost effective, durable filter fiber batting that effectively traps debris and small particles in the filter, leaving your water crystal clear. Acurel filter fiber creates fewer gaps for better performance and will compliment the performance of any filter. For use in all fresh and salt water aquariums. - Improves fish health; removes more particles than formed fiber sheets - Loose fiber batting creates a tighter fit - 100-Percent polyester; will not degrade - Suitable for all filters - For use in all fresh and salt water aquatics This is for a brand new bag of Acurel LLC 100-Percent Polyester Filter Fiber 2 Oz. Aquarium and Pond Filter Acurel 100-percent polyester filter fiber is a cost effective, durable filter fiber batting that effectively traps debris and small particles in the filter, leaving your water crystal clear. Acurel filter fiber creates fewer gaps for better performance and will compliment the performance of any filter. For use in all fresh and salt water aquariums. - Improves fish health; removes more particles than formed fiber sheets - Loose fiber batting creates a tighter fit - 100-Percent polyester; will not degrade - Suitable for all filters - For use in all fresh and salt water aquatics