Home / Repair Parts / Armstrong Parts / Armstrong 427850-000, adapter ring stl 13″m 280tc Armstrong 427850-000, adapter ring stl 13″m 280tc$503.61 Armstrong 427850-000, adapter ring stl 13"m 280tc quantity Add to cart SKU: 427850-000 Category: Armstrong Parts Description Additional information Description Armstrong Part Number 427850-000, adapter ring stl 13″m 280tc Additional information Weight 3 lbs