Evac-U-Trap #2350 FS central suction evacuation trap for Apollo 2 hp, 3 hp single and tandem models, Vacudent dual, and Air Technique 1997 or later dual models, Box of 8 traps. **This manufacturer may assess a restocking fee of up to 50% on returned items. Please call Net32 Customer Service regarding return policy 1-800-517-1997. Box of 8 traps