ACI STN-2.5' SKU: STN-2.5' $18.48 $35.00 (0)No Reviews yet Quantity -+ Add to Shopping Cart In Factory Stock Details ACI STN-2.5' : 2.5' Sampling Tube for 6" to 2.5' duct width for RT-3000 and SL-2000 Series Details Back DetailsACI STN-2.5' : 2.5' Sampling Tube for 6" to 2.5' duct width for RT-3000 and SL-2000 Series Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review