Integra Boost RH 55% 2 Way Humidity Control is an essential addition to your hydroponic system. This medium with 8g gram capacity is perfect for maintaining the optimal humidity levels in your yard, garden or outdoor living area. The case of 500 units makes it a great value for commercial hydroponic setups, water aeration equipment, and parts accessories. The Integra Boost RH 55% 2 Way Humidity Control medium is ideal for controlling humidity in a variety of settings. It is a reliable and efficient way to maintain the right humidity levels for your plants, without the need for constant monitoring. With this product, you can rest assured that your plants are getting the right amount of humidity, without worrying about the condition of the product.