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

helping manage nitrate levels and other dissolved waste

Aquarium safe materials

significantly improving hatching success rates without the need for constant monitoring

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