Durastar DRUM4260S2A 42-60,000 BTU Multi-Position Air Handler Indoor Unit - R454BDurastar DRUM4260S2A 42,000 60,000 BTU R 454B Multi Position Air Handler Indoor Unit Deliver maximum capacity, adaptable comfort with the Durastar DRUM4260S2A, a 42,00060,000 BTU multi position air handler engineered for large residential and light commercial spaces. Flexible, Multi Position Design Measuring 53" x 24 1 2" x 22 5 8", this unit supports vertical and horizontal installations, providing versatility for basements, mechanical rooms, or