Welflos M replacement reservoir plug

Name: Welflos M replacement reservoir plug
Brand: Weldental: Water Flosser with Weltip Infuser Tip Delivers
SKU: SKU-304651-default
Price: 0.91 USD
Availability: InStock
Rating: 4.9 (11 reviews)

Welflos M replacement reservoir plug - Main image

$0.91 ~~$1.49~~ In stock

Category: Water Flosser

Replacing the reservoir plug usually corrects water flow issues.

Insert the new plug from the inside of the water reservoir.

The top is the image on the right, and the bottom is the image on the left.

Twist the plug to seat it properly and make sure it moves up/down easily.

Before you pay

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When it ships

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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If you need a refund

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Please contact us for the refund processing timeframe before returning an item.

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Delivery costs

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.9 / 5 · 11 reviews)

Scarlett ★★★★★ Aug 14, 2026

The instructions about inserting from the inside were spot on—once I did that, the water flow came back strong and steady. My flosser finally works like it did on day one.

Richard ★★★★★ Aug 13, 2026

I was about to toss my flosser when the water stopped building pressure, but this plug was the fix. Snapped it in from the inside and the seal held perfectly on the first try.

Ella A. ★★★★★ Aug 12, 2026

The plastic feels sturdier than the original, and the fit is snug once you push it in from the inside of the tank. My water flow is steady again after a month of frustrating sputters, which is exactly what I needed.