The 3 pieces of Hessaire 3100 CFM 21.75-inch by 10-inch Odorless Replacement Media Pads are designed to fit the MC37M, MC37V, and M150 models and offer a replacement option that provides excellent cooling performance.Constructed with OEM Xel50, these media pads provide maximum comfort and performance. You can trust that the media pad will deliver the same level of quality and efficiency as the original pads that came with your evaporative cooler.Factory-fitted pad so you can rest easy knowing that it is ready to use right out of the box; all you need to do is insert the media pad, and everything will work as it should.With durable corrugated construction, the pad can withstand wear and tear, ensuring that it will continue to provide optimal cooling performance for years while not dealing with any unpleasant smells thanks to its odorless feature.If you're looking for a reliable and efficient replacement media pad for your cooler, look further than the 3 pieces of Hessaire 3100 CFM 21.75-inch by 10-inch Odorless Replacement Media Pads.