HOB Floater Protection, Water Level Adjusting Floater Protection, Small, Medium, and Large. Aquaclear filter lid It also provides room for

It also provides room for aquarium plants to grow

Awesome holder for Fluval CO2 tanks

significantly improving hatching success rates without the need for constant monitoring

New replacement lids for Fluval Flex 15 gallon fish tank include many great features and possibilities that are not available with the stock lid

or small gobies from escaping

HOB Floater Protection, Water Level Adjusting Floater Protection, Small, Medium, and Large. Aquaclear filter lid It also provides room forHOB Floater Protection Adjustable Water Level Guard for Hang On Back Filters Protect your aquatic life and improve your filter performance with this Water Level Adjusting Floater Protection, designed specifically for Hang On Back (HOB) filters. This simple yet effective attachment helps maintain a consistent water level around the intake while preventing shrimp, snails, and small fish from getting too close. Available in 3 Sizes: 4", 6", and 10" Why