Builder's Best SAF-T-DUCT 010155 Offset Elbow, 4.2 in Male x Female Thread,
Use when outlet pipe on dryer protrudes up to 2-1/2 in. Can also be used where wall outlet pipe protrudes and is too large for the wall offset elbow. 4 in Dia fittings, aluminum. Turns 90 deg within 4-1/2 in. Includes one male snap-lock fitting and one female rotating snap-lock fitting.
PERISCOPE DRYER VENT KIT 2CLOSE
Made of 2" x 6" rigid aluminum
One 4" male, crimped rotating snap-lock(TM) collar fits into wall outlet
One 4" female, draw band rotating collar fits over dryer outlet
Two sections telescope from 0" to 18"
Baffles are included to help direct airflow in 3-5" situations
Meets clothes dryer manufacturer specifications
LAMBRO 498PL Laminated Transition Duct, 4 in, Aluminum
UL listed. Easy to install, fits in tight places where rigid metal ducting will not work.