EcoQuality (2", 3", 3.5", 4") Bar Maid Drain Trap Seal 6/Pack patented one-way valve allows fluid to flow down without impeding flow rate and lets nothing come back up.

Features for 2" Bar Maid Drain Trap Seal:

• Pesticide-free, No VOCs
• Makes drains virtually maintenance free
• Effectively stops fruit flies and insects from coming up
• Acts as a vapor barrier to keep bacteria, odors, and gases in the drain for improved indoor air quality
• No need to add primers and fresh water
• 6/Pack

Features for 3" Bar Maid Drain Trap Seal:

• Pesticide-free, No VOCs
• Makes drains virtually maintenance free
• Effectively stops fruit flies and insects from coming up
• Acts as a vapor barrier to keep bacteria, odors, and gases in the drain for improved indoor air quality
• No need to add primers and fresh water
• 6/Pack

Features for 3.5" Bar Maid Drain Trap Seal:

• Pesticide-free, No VOCs
• Makes drains virtually maintenance free
• Effectively stops fruit flies and insects from coming up
• Acts as a vapor barrier to keep bacteria, odors, and gases in the drain for improved indoor air quality
• No need to add primers and fresh water
• 6/Pack

Features for 4" Bar Maid Drain Trap Seal:

• Pesticide-free, No VOCs
• Makes drains virtually maintenance free
• Effectively stops fruit flies and insects from coming up
• Acts as a vapor barrier to keep bacteria, odors, and gases in the drain for improved indoor air quality
• No need to add primers and fresh water
• 6/Pack