Click to expand Tap to zoom Bosch | FAA-325-B4 Detector Base Sounder Analog 4 Inch SKU BS-F1D2-8055 Save Liquid error (snippets/product-badge line 32): Computation results in '-Infinity'% $13.99 | / 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Data Sheet