Innokin Prism T18E Replacement Coils

The Innokin Prism T18E Replacement Coils are the genuine, official replacement coils for the Innokin T18E tank family — a focused, well-crafted MTL coil range built around Innokin's Prism convection airflow design, 100% Japanese organic cotton wicking, and the same no-spill coil swap system found across the wider Innokin coil range. Sold in a pack of five and available in three resistance options — 1.5Ω, 1.7Ω, and a 1.5Ω Mesh version — the T18E coils are designed specifically for vapers who want the tightest, most authentic cigarette-style mouth-to-lung draw available from any compact Innokin starter kit, making them one of the most popular and consistently well-regarded MTL coil ranges in the UK for anyone making the switch from cigarettes.

One very important point before ordering — despite looking extremely similar to the older T18 coil, the T18E coils are a completely different product and are not interchangeable. The T18E coil is shorter and features three wicking port holes on the side, while the standard T18 coil is longer and features five port holes. Using the wrong coil will cause leaks or no vapour production. Please check your device carefully before ordering.

Prism Convection Airflow — The Key to the T18E's Exceptional Draw

The defining technical feature of the Innokin Prism T18E coil is Innokin's patented Prism convection airflow design — and understanding what it does helps explain why the T18E is widely regarded as one of the best starter kit coils for former smokers available in the UK.

Rather than drawing air around the outside of the coil head before it reaches the coil element, the Prism convection design pushes air directly through the coil core — straight through the centre of the heating element and directly over the wicked surface. This direct core airflow concentrates the draw and ensures the vapour carries maximum flavour from the coil to the mouthpiece without losing character on the way. The result is a tighter, warmer, more focused MTL draw that feels genuinely natural and satisfying to former smokers—closer to the real thing than many competing starter kit coils can achieve—and a richer, more accurate flavour from every puff. Combined with the Japanese organic cotton wicking, the convection airflow design makes the T18E coil one of the finest MTL coil designs available at any price point.

100% Pure Japanese Organic Cotton — Clean, Flavour-True Wicking

Every Innokin T18E coil — across all three resistance options — is wicked with 100% pure Japanese organic cotton through twelve oval wicking ports that ensure rapid, consistent e-liquid absorption from all directions at once. The organic cotton is completely free from bleach, fungicides, pesticides, colourings, and other processing impurities — giving you a completely clean, neutral wicking base that lets your chosen nicotine salt or 50/50 e-liquid come through with full accuracy and purity from the very first puff right through to the very last. It uses the same premium wicking material found across Innokin's wider coil range. This is one of the key reasons the T18E coil consistently delivers a clean, satisfying flavour experience without the slightly plasticky or artificial aftertaste that can occur with lesser wicking materials.

Three Resistance Options — Choosing the Right T18E Coil

1.5Ω Prism T18E Coil — 9W–13.5W
The most popular and widely used option in the T18E range — a tight, cool, cigarette-like MTL coil that operates at just 9–13.5W and delivers the most authentic replication of a cigarette draw that the T18E platform can produce. The draw is restricted and cool, the vapour output is modest and discreet, and the throat hit at 20mg nic salt strength is satisfying and immediate without any harshness. The convection airflow design makes every puff feel focused and natural — not sharp or clinical, but genuinely cigarette-like in a way that makes this coil an outstanding choice for former smokers making the switch for the first time. The low operating wattage also means excellent battery economy — the T18E kit battery will last noticeably longer with the 1.5Ω than with lower-resistance options. Best with high-PG e-liquids and nicotine salts at 10mg or 20mg strength.

1.5Ω Prism T18E Mesh Coil — 9W–13.5W
The same resistance as the standard 1.5Ω wire coil but built with a mesh heating element instead of round Kanthal wire — bringing the improved heat distribution and enhanced flavour clarity of mesh technology to the tight MTL draw the T18E is known for. The mesh surface heats e-liquid across a wider, more uniform area than the wire coil, delivering a cleaner, more nuanced flavour profile and a slightly smoother vapour that experienced vapers will notice immediately. The draw and wattage range are essentially identical to the standard 1.5Ω — the difference is purely in flavour quality and consistency. If you already love the T18E's MTL draw and want clearer flavour without changing your vaping style, the mesh version is the natural next step. Best with high-PG e-liquids and nicotine salts at 10mg or 20mg strength.

1.7Ω Prism T18E Coil — 11.5W–13.5W
The highest resistance option in the T18E range — delivering the coolest, most restricted draw of the three and operating at a comfortable 11.5–13.5W that's well within the range of any compatible Innokin device. The 1.7Ω is the choice for vapers who want the absolute tightest, most cigarette-like experience the T18E can deliver — even cooler and more restricted than the 1.5Ω, with a slightly smaller vapour output and a draw that feels particularly familiar to former lighter smokers or those who smoked slim cigarettes. A focused, niche choice that suits a specific preference but delivers exactly what it promises. Best with high-PG e-liquids and nicotine salts at 10mg or 20mg strength.

No-Spill Coil Swap — Clean, Quick, and Tool-Free

Like all Innokin Prism series coils, the T18E coils use Innokin's no-spill coil swap system for a clean, mess-free coil change every time. Instead of accessing the coil from the top of the tank, you access the T18E coils from the base — unscrew the base of the tank to expose the coil, unscrew the old coil anticlockwise and remove it, screw in the fresh, primed coil clockwise, and reattach the base. The sealed tank body keeps the e-liquid chamber closed and contained throughout the process, preventing the spills and drips that top-fill coil changes can sometimes produce. From opening the coil pack to vaping on a fresh coil takes less than two minutes — no tools, no mess, and no complicated steps.

Compatible Devices — The Full T18E Family

Innokin T18E replacement coils are compatible with the following Innokin tanks and kits:

• Innokin Endura T18E Kit
• Innokin Endura T18E Pro Kit
• Innokin Endura T18 II (T18 Two)
• Innokin Endura T18 II Mini
• Innokin Endura T18X Kit
• Innokin Prism T18E Tank
• Innokin Prism T18E Pro Tank
• Innokin Endura T22E Kit
• Innokin Endura T22 Pro Kit (1.7Ω recommended for T22 Pro)
• Innokin Endura M18 Kit

Critical compatibility note — please read before ordering:

The Innokin T18E coil and the standard Innokin T18 coil look almost identical but are completely different products and are not interchangeable:

• T18E coil — shorter body, 3 wicking port holes on the side — fits the T18E, T18 II, T18X, T18E Pro, T22E, T22 Pro, and M18
• Standard T18 coil — longer body, 5 wicking port holes on the side — fits the original T18 and T22 tanks only

Fitting a T18E coil in an original T18 tank, or a T18 coil in a T18E tank, will result in leaking, no vapour production, or device damage. If you are unsure which coil your device uses, count the wicking port holes on the existing coil before ordering.

T18E coils are also not compatible with the Innokin Prism S (T20S) range—those devices use Innokin Prism S coils, available separately at QSS Vape.

How to Install and Prime Your T18E Coil

Installing a fresh T18E coil uses the same no-spill coil swap system as the wider Prism range. Unscrew the base of your compatible Innokin tank anticlockwise and set it aside — the old coil will be visible and accessible inside the base section. Unscrew the old coil anticlockwise to remove it, then prime the fresh coil by applying two to three drops of e-liquid directly onto the exposed Japanese organic cotton wicking ports around the coil body. Screw the fresh coil in clockwise until it seats firmly — without over-tightening. Reattach the tank base, fill with e-liquid, and wait at least three to five minutes for the cotton to fully saturate before taking your first puff. Start at the lower end of the recommended wattage range and work up gradually over the first few draws to bed the coil in gently and get the best possible flavour and lifespan from every coil.

When to Change Your T18E Coil

Innokin T18E coils are well-regarded for their longevity — particularly the 1.5Ω and 1.7Ω options at their low operating wattages, which many regular T18E users report lasting two to three weeks or more with moderate daily vaping. The most reliable sign a coil needs replacing is a change in flavour — a flat, muted, or slightly burnt taste indicates the cotton is spent. Reduced vapour production or a slight gurgling sound during a draw are secondary indicators. Keeping the tank topped up at all times significantly extends coil life — a dry wick at the bottom of an empty tank is the fastest way to shorten coil lifespan and introduce a burnt taste. With five coils in every pack, you'll always have a fresh one ready to go.

E-Liquid Compatibility

All three T18E coil options are designed for use with high-PG e-liquids and 50/50 VG/PG freebase or nicotine salt formulas. The Prism convection airflow and Japanese organic cotton wicking are specifically optimised for the thinner consistency of these e-liquid types — ensuring fast, efficient wicking at the resistance levels and wattages the T18E coils operate at.

All 10ml nicotine salt e-liquids at QSS Vape — including the full Elux Salt, Crystal Salt, Just Juice Bar, Pixl, OXVA OX Passion, and Riot X nic salt ranges — pair perfectly with all three T18E coil options, delivering a clean, satisfying MTL experience with an authentic throat hit at the recommended wattages.

High-VG e-liquids of 70VG or above are not recommended — the thicker consistency will not wick efficiently through the cotton at these resistance levels. This can cause dry hits and premature coil failure.

Full Specifications

What's in the Pack?

• 5x Innokin Prism T18E Replacement Coils (resistance of choice) — individually wrapped

Compatible with the Innokin T18E, T18E Pro, T18 II, T18 II Mini, T18X, T22E, T22 Pro, and M18 devices only. NOT compatible with the original Innokin T18, T22, or T20S. Please check your device before ordering. Devices and e-liquid sold separately at QSS Vape.

DISPATCH & DELIVERIES

*If an item is returned to us by your local customs office we can provide a refund minus any postage costs incurred by ourselves. If an item is seized by your local customs office this will be the responsibility of the customer to resolve the issue.

We are currently offering free UK delivery (2nd class signed for) on all orders over £30.

Order cut-off for all delivery services is 3pm (UK time). Orders placed after 3pm will be treated, for the purposes of delivery, as having been placed the next working day We try our best to accommodate and be as flexible as possible, please email us if you have any specific requirements on: info@qss-vape.co.uk.

Working days are defined as Monday – Friday (excluding bank and public holidays) – therefore any orders placed after 3pm on Friday will not be processed until Monday.

The majority of deliveries require a signature to confirm receipt. If a signature cannot be obtained, the carrier may ask a neighbour to sign for the delivery. Deliveries that require a signature will not be left if a signature cannot be obtained.

If the carrier leaves the delivery with a neighbour or at your local post office, they will leave a card for you telling you where it is. You may, when placing your order online, specify a different delivery address than your payment address if this is more convenient for you.

All delivery timescales are approximate and subject to availability. The precise timing of a delivery cannot be specified.

Insurance – PLEASE READ

All our free flat rate and Signed For services are insured up to the value of £50. We recommend choosing the Special Delivery option for all orders over £50 as this covers goods up to £500 and is guaranteed next working day delivery.

If your order has not arrived within 5 working days (UK orders) and 14 working days (non-UK orders) please contact us quoting your order number in all correspondence.

If you require any clarification regarding 'Dispatch & Deliveries' please feel free to contact us on: info@qss-vape.co.uk