Quick Answer

To choose compatible water flosser tips, first identify your flosser brand and model, then match the tip to that specific line—Weltip Infuser Tips work with H2Ofloss HF-8, HF-9, HF-6, and HF-3, while a separate version fits most Waterpik models. Check the pressure control compatibility notes, because not every Waterpik flosser accepts the same tip.

Know Your Flosser Brand and Model First

The most common mistake is buying a tip that looks similar but doesn't fit your device. Water flosser tips are not universal—each brand designs its own locking mechanism and nozzle shape. Before you shop, check the model number printed on the base or reservoir of your flosser. For H2Ofloss, the model is usually labeled HF-6, HF-8, or similar. For Waterpik, look for names like Aquarius, Ultra, Nano, or the model code on the bottom.

Once you know the brand and model, you can narrow your options. Weltip offers two versions: one for H2Ofloss flossers and one for most Waterpik models. Mixing them up can lead to a poor seal or no water flow at all.

Understand Compatibility Limits and Exceptions

Even within the same brand, not every model is compatible. For example, the Weltip version for Waterpik is not compatible with WP-60, WP-70, or WP-72 models that have the pressure control on the handle. Also, Waterpik cordless flossers may require 2–3 reservoir refills to complete a Weltab tablet, which affects your routine if you plan to use tablets.

Always read the compatibility list before purchasing. If the product page doesn't list your exact model, contact the seller or check the manual. Don't assume that 'fits Waterpik' means every Waterpik ever made.

Consider Your Oral Care Goals

Tips and tablets work together to deliver specific benefits. If you want to reduce plaque buildup or remineralize enamel, look for tips that allow adding tablets directly into the water stream, like the Weltip Infuser Tip. But if you prefer a simple rinse without additives, a standard tip may be enough.

Also think about sensitivity. Some tablets contain SLS, which can irritate sensitive mouths. Weldental's Weltabs are SLS-free, which is a plus if you have gum irritation. Your choice of tip should align with your daily routine and comfort.

Decision Rules for Choosing Compatible Tips

  • Identify your flosser brand and model: Look for the model number on the device body or reservoir. For H2Ofloss, note the HF series (e.g., HF-6, HF-8). For Waterpik, note the product line (e.g., Aquarius, Ultra, Nano) and the specific model code. Write down the model number before shopping; it's your key to compatibility.
  • Match the tip to your brand: Choose the Weltip version designed for your brand: the H2Ofloss version fits HF-8, HF-9, HF-6, and HF-3; the Waterpik version fits most Waterpik models but excludes WP-60, WP-70, and WP-72. If you have an excluded Waterpik model, look for alternative tips or contact the seller for options.
  • Check tablet compatibility separately: If you plan to use Weltab tablets, verify that the tablets match your tip type. For example, Weltab WT tablets are for Waterpik Whitening flossers (WF-05, WF-06) and are not compatible with Weltip; use Weltab PRO X if you have a Weltip. Always read the tablet's compatibility notes—tip compatibility doesn't guarantee tablet compatibility.
  • Consider cordless vs. corded models: Waterpik cordless flossers may need 2–3 reservoir refills to complete a Weltab tablet. If that's inconvenient, you might prefer a corded model or a different tablet routine. Factor in refill frequency when choosing a tip-and-tablet system for a cordless device.

Product Facts

  • Weltip Compatible H2Ofloss Tip + Weltab Water Flosser Tablets: Weltip is the world's first patented Infuser Tip™ and fits HF-8, HF-9, HF-6, and HF-3 flossers. If you own an H2Ofloss model in that range, this tip lets you add Weltab tablets directly into the water stream for a more targeted clean.

    Weltip Compatible H2Ofloss Tip + Weltab Water Flosser Tablets

    Weltip Compatible H2Ofloss Tip + Weltab Water Flosser Tablets

  • Weltip + Weltab Water Flosser Tablets - Compatible With Waterpik Flossers: This version of Weltip is compatible with most Waterpik flossers, including Aquarius, Ultra, Nano, and Complete Care, but not with WP-60, WP-70, or WP-72. Check your Waterpik model number against this list before buying, because the pressure-control handle models won't fit this tip.

    Weltip + Weltab Water Flosser Tablets - Compatible With Waterpik Flossers

    Weltip + Weltab Water Flosser Tablets - Compatible With Waterpik Flossers

Who Should Choose What

Best for

  • H2Ofloss owners with HF-8, HF-9, HF-6, or HF-3 who want the Infuser Tip feature
  • Waterpik owners with Aquarius, Ultra, Nano, or Complete Care who want to add tablets to their routine

Not for

  • Waterpik owners with WP-60, WP-70, or WP-72 models (the Weltip Waterpik version won't fit)
  • People who prefer plain water flossing without tablets and don't need an Infuser Tip