Description Specifications Literature Accessories Description Base unit only. Hood not included.The Alnor® LoFlo® Balometer Capture Hood 6200E is the ultimate way to measure very low volumetric flow. This light weight instrument is ideal for measuring supply or return flows from 10 to 500 cfm (17 to 850 m3/h) in residential or light commercial applications. The compact size allows them to be used where full size hoods would not fit. State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Product Specifications Range:10 to 500 cfm (17 to 850 m³/h) (4.7 to 236 l/s) Accuracy:±(3% + 5 cfm) [±(3% + 8.5 m³/h, 2.4 I/s)] Hood Dimensions:Base only, no hood. Literature & Docs Accessories TSI Alnor Hood and Frame Kit 16 in x 16 in x 8 in 634620120 $270.00 Was: Now: $243.00 Add To Cart View More TSI Alnor Hood and Frame Kit 2 ft x 2 ft 634620110 $270.00 Was: Now: $243.00 In Stock Add To Cart View More TSI Alnor Hood Kit 16 in x 16 in x 18 in 634-620-085 $270.00 Was: Now: $243.00 In Stock Add To Cart View More TSI Alnor Support Pole Kit 16 in x 16 in x 8 in 634-620-060 $90.00 Was: Now: $81.00 Add To Cart View More TSI Alnor Support Pole Kit 2 ft x 2 ft 634620050 $130.00 Was: Now: $117.00 In Stock Add To Cart View More