Intecs 4 in. x 50 ft. Mark II Clear Insulation Vacuum Hose is built to withstand the wear and tear of heavy-duty use. The 4-inch diameter provides an optimal balance of airflow and suction power, making it ideal for both residential and commercial insulation removal projects. Whether youre dealing with fiberglass, cellulose, or other loose insulation types, the Mark II Clear Insulation Vacuum Hose offers the flexibility and strength needed to handle various tasks with ease. Its a must-have accessory for professionals looking to streamline their insulation vacuuming process.