Replacement Combustible (LEL) Sensor for GasAlertQuattro SKU 02-SR-W04-75C $320.63 Quantity discounts available QuantityPrice (0)No Reviews yet Ship Pickup in Store - FREE! Select Store to check availability. This item is OUT OF STOCK. Back orders are accepted. Quantity -+ Add to Cart Print Description Gas Detector BW Quattro Sensor LEL Description Back DescriptionGas Detector BW Quattro Sensor LEL Ratings & ReviewsNo reviews availableBe the first to Write a Review