The Sea-Dog ABS slotted ventilator can be used in conjunction with the ABS collector boxes 331293 - 331298. The collector boxes are available with either a 3" or 4" hose attachment. All vents use #8 FH fasteners.
"Warning - this product contains chemicals, including Butadiene [B], known to the State of California to cause cancer or other reproductive harm - For more info go to www.P65Warnings.ca.gov"
www.P65Warnings.ca.gov