Fronius Insulation Ring (42,0100,1329,5) (Pack of 5) Fronius Sale! from 3200 /per Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. FRONIUS ITEM CODE: 42,0100,1329,5 ITEM DESCRIPTION: INSULATION RING W Ø20.8 / 14X7 SKU:FRP 42,0100,1329,5