3M DBI-SALA 8510632 Confined Space Integrated Manhole Collar Davit Mast Base Aluminum, 27.5 in, Fits 28 – 30 in schaefer ws-540 or manufacturing the VAF3000 has

or manufacturing the VAF3000 has you covered

fits thru doors

3 medium pressure outlets 250 psi

Pass Thru Buckle Connection Medium

Schaefer MIT-2000 PVC Motorized Fan Shutter Air Intake 20 Inch

3M DBI-SALA 8510632 Confined Space Integrated Manhole Collar Davit Mast Base Aluminum, 27.5 in, Fits 28 – 30 in schaefer ws-540 or manufacturing the VAF3000 has3M 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