Lowes
http://www.lowes.com/pd_45113-85334-VTL0007_0__?productId=3203205&Ntt=dryer+vent+hose&pl=1¤tURL=%3FNtt%3Ddryer%2Bvent%2Bhose&facetInfo=
Walmart
http://www.walmart.com/ip/Dundas-Jafine-Inc.-CHK100ZW-Dryer-Vent-Heat-Keeper/21800208#ProductDetailhttp://www.walmart.com/ip/Dundas-Jafine-Inc.-CHK100ZW-Dryer-Vent-Heat-Keeper/21800208#ProductDetail
Features:
- Re-directs warm moist air from electric clothes dryers into house
- Prevents cold air from re-entering house through dryer