3M DBI-SALA 8510632 Confined Space Integrated Manhole Collar Davit Mast Base Aluminum, 27.5 in, Fits 28 – 30 in rockwool totally enclosed motors provide safety

totally enclosed motors provide safety & longevity

Nikro 861433 Duct Mask 24" Roll

Schaefer Waycool WC-GRATELG 1/3 hp Plastic Inlet Grates

filtered vacuums come in a variety of sizes

3M DBI-SALA 8510632 Confined Space Integrated Manhole Collar Davit Mast Base Aluminum, 27.5 in, Fits 28 – 30 in rockwool totally enclosed motors provide safety3M DBI SALA 8510632 Confined Space Integrated Manhole Collar Davit Mast Base Aluminum, 27. 5 in, Fits 28 30 in Manhole collar davit base fits 28 in. to 30 in. (71. 1 to 76. 2 cm) diameter opening. The hoist system bases are designed for manhole and confined space entry retrieval applications. Portable units are constructed of lightweight high strength aluminum and adjust to fit most standard entries. Our permanent and clamp on bases are available in