Johns Manville (JM) R-38 Unfaced Fiberglass Batt Insulation, 16 in x 48 in, 42.66 sq ft Ratchets-Sockets 9 stopping positions and 3

9 stopping positions and 3 speed settings which provide optimal airflow control

it includes two white rectangular undermount composite bowls

Spacious design accommodates up to 2 bathers

Provides effective knockdown and residual control

Johns Manville (JM) R-38 Unfaced Fiberglass Batt Insulation, 16 in x 48 in, 42.66 sq ft Ratchets-Sockets 9 stopping positions and 3R 38 Unfaced Fiberglass Batt Insulation (16 in x 48 in) JM (Johns Manville) R 38 unfaced fiberglass batts are pre cut for 16 in on center wood framing to help improve thermal performance and add sound control in attics, ceilings, and floors. Unfaced construction has no vapor barrier, making it suitable for adding over existing insulation where permitted. Key Features: High R Value Performance: R 38 fiberglass batts help reduce heat transfer for