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DrainGuard™ — Seal Off Sewer Smell and Stop Bugs Coming Up Your Drain
DrainGuard™ — Seal Off Sewer Smell and Stop Bugs Coming Up Your Drain
Almost Gone — Order Before It’s Sold Out
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Block Sewer Smell and Drain Bugs in One Insert — No More Sprays, No Refills
If your bathroom or kitchen smells like sewage no matter how often you clean, the DrainGuard™ Floor Drain Core shuts the problem at the pipe. A magnetic copper petal valve sits inside a clear polycarbonate body — water pressure pushes the petals open, then magnets snap them shut the second the flow stops. Sewer gas, drain flies, roaches and ants have nowhere to come up through.
Bathroom Stinks Again? It’s Not Your Cleaning — It’s Coming Up Your Drain
Bleach down the drain works for a day. Gel pods cost a fortune and the smell comes back. Flat silicone "popper" covers blow off when shower water hits them. The smell hits as soon as you walk in — and last week you saw a roach come up the drain at 2am. The problem isn’t the cleaner you’re using. It’s the open pipe under your floor.
➤ Magnetic Petals Snap Shut Between Drains: Copper petals inside the valve open ~90° under water pressure, then magnets snap them airtight the second the water stops. Sewer gas, roaches and drain flies have nothing to climb through.
➤ Detachable Grid Filter Catches Hair Before It Clogs: A removable copper basket sits at the top, grabbing hair and grit before it ever reaches the pipe. Pull it out, dump it, drop it back in — about 10 seconds.
➤ Silicone Ring Seals the Drain-to-Pipe Gap: Two ribbed sealing rings come in the box (32–42mm and 42–45mm) so the insert wedges tight in standard floor drains. No gaps left for bugs to squeeze through the edges.
How the Magnetic Copper Petal Valve Actually Works
Water running down the drain forces the copper petals apart at roughly 90 degrees — fast, full flow, no backup. The second the water stops, opposing magnets in the petal arms pull them back together into an airtight seal. Not a flap that gravity holds shut. Not a rubber duckbill that warps over time.
A mechanical seal that closes itself every time, on every flush, on every shower. That’s the difference between covering the smell with a gel and ending it at the pipe.
Why Renters and Homeowners Keep Buying These for Every Drain in the House
First install goes in the master bathroom. The smell stops by morning. The next order is usually the kitchen sink, then the laundry, then the guest bath. People who tried gels and sprays for years end up putting one in every drain in the house.
"I rent and couldn’t replace the actual drain. Put one of these in, the bathroom stopped smelling that same night. Ordered two more for the kitchen and laundry the next week." — Justine M.
"Saw a roach come up out of the floor drain at 2am. Googled at midnight, ordered this. Hasn’t happened since. I sleep again." — Marcus T.
A Drain That Stays Sealed Until You Need It Open
✓ Blocks Sewer Gas at the Source: The magnetic petals stay closed whenever no water is flowing. The smell never reaches your floor because the path is sealed shut.
✓ Stops Roaches, Drain Flies and Ants Cold: Same airtight seal that blocks gas blocks anything trying to crawl up the pipe. No more 2am surprises when you flip the light on.
✓ Catches Hair Before It Becomes a Clog: The detachable copper filter basket means you empty a small clump every week or two instead of paying a plumber every six months.
Three Steps. About 60 Seconds. No Tools.
Step 1: Pull out your existing drain strainer and clear any visible hair or debris.
Step 2: Pick the sealing ring that matches your drain (32–42mm or 42–45mm), slip it onto DrainGuard™, and press the insert straight down into the drain opening.
Step 3: Run water. The copper petals open, water flows through, the petals snap shut. The smell is gone the same day.
| DrainGuard™ Floor Drain Core | Traditional Drain Covers | Sprays, Gels & Pods |
|---|---|---|
| Magnetic Seal That Closes Itself Between Every Drain | ❌ | ❌ |
| Built-In Hair Filter So Drains Don’t Slow Down | ✅ | ❌ |
| Copper + Silicone Build That Won’t Rust or Crack | ❌ | ❌ |
Specs & What’s in the Box
- Materials: Copper magnetic valve, polycarbonate (PC) body, food-grade silicone sealing ring
- Fits Drain Opening: 32–45mm (about 1.3–1.8 inches) — two sealing rings included (32–42mm + 42–45mm)
- Dimensions: 47mm top diameter, 43mm height
- Color Options: Gold or Silver finish
- In the Box: 1× DrainGuard™ insert, 1× detachable copper filter basket, 2× silicone sealing rings
- Compatible With: Direct gravity floor drains in bathrooms, kitchens, laundry rooms and balconies
Questions People Ask Before Ordering
How do I know if it’ll fit my drain?
Measure across your drain opening with a ruler. If it’s between 32mm and 45mm (1.3–1.8 inches), DrainGuard™ fits — that’s the standard range for most modern bathroom, kitchen and laundry floor drains. Both sealing rings come in the box so you have the right size on hand.
Will water back up and flood my floor?
No. Water pressure pushes the copper petals open to roughly 90 degrees — full flow, same as without the insert. The seal only closes when there’s no water moving through, which is exactly when you want the gas and bugs blocked.
Do I need tools to install it?
No tools. Pull out your old strainer, slip on the matching sealing ring, press DrainGuard™ straight down into the drain. It’s a press-fit — the ribbed silicone holds it in place. Renters can install it without touching the plumbing.
How do I clean it?
Lift the whole insert out, pull off the copper filter basket and rinse it under the tap. Wipe the valve if you want to. The copper resists rust and the silicone doesn’t crack, so there’s no upkeep beyond the rinse.
What if it doesn’t fit or doesn’t work for my drain?
Message us. If the insert doesn’t seat properly in your drain or doesn’t block the smell, we’ll sort out a replacement or refund — we’d rather you have a drain that actually works than a product sitting unused.
One Insert. No More Sprays. No More Sleepless Nights.
DrainGuard™ goes in once and stays there. The magnetic petals don’t wear out. The copper doesn’t rust. The silicone doesn’t crack. You stop thinking about your drain because there’s nothing left to think about — and the bathroom finally smells like a bathroom.
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