T1H and TD1H are the same except TD1H includes dual side adjustments.
TH1H includes an integrated safety harness, making the USCG approval
conditions different for this model.
Features: 35 lbs design buoyancy
Halkey-Roberts Corp. single point indicator automatic inflation system (1F).
Deluxe Automatic: TH1H and T1H
P.2
Model TD1H
Same as model at left
with dual side adjustment
Model TH1H
Model T1H