4" 2nd Check Kit LF856/LF866/LF876V/LF886V SKU: 905613 $1,098.00 Login for better price Select Quantity -+ Add to Cart Additional DetailsResourcesManufacturer: Febco Size: 4 Inch Product model: 856ST, LF866 / LF866V, LF876V, LF886 / LF886V Installation and Maintenance Instructions Specification Sheet