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Lasko
T48337 Xtra Air 48-Inch Tower Fan with Night Mode

Four speeds with a gradual night setting. A closer look at the benefits, the limitations, and the alternatives.

Buyer Shortlists editorial·Updated
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. How our links work. This review uses linked manufacturer documentation. We have not tested this product hands-on.
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THE SHORT ANSWER

Our take

T48337 combines a 48-inch tower, four speeds, remote, eight-hour timer and a gradual Night Mode; whether timer and Night Mode run together is unresolved.

Consider it for

Consider it when a 48-inch tower, four speed choices and a gradual night sequence matter more than verified timer/mode compatibility..

Look elsewhere if

Not for buyers who need measured noise or airflow, a verified current silver Amazon offer, or confirmed timer operation during Night Mode.

Pros & cons

What could work for you, and what to consider before buying.

What works in its favor

  • The shared manual lists four speed settings, oscillation, remote operation and an eight-hour timer.
  • Night Mode dims the lights by 50% and steps down from speed four through speed one.
  • Lasko's support entry specifically identifies T48337 as the Xtra Air model with Night Mode and remote.

What to weigh up

  • The saved manual does not settle whether Night Mode and the timer operate at the same time.
  • Historical ASIN B0B77Z37P4 and its silver-finish clue are not mapped to a current exact offer.
  • No saved source gives measured airflow, room coverage or sound results.

The key details

Published product specifications
Model coveredT48337
Controls48-inch tower fan with four speeds and oscillation
TimerRemote and timer reaching eight hours
Other verified detailsNight Mode dims lights 50% and steps from speed four down to speed one

Performance figures are manufacturer claims. Source checked October 10, 2026. Regional models and included accessories can differ.

What the features mean for you

Four-speed controls and everyday fit

T48337 is a full-height 48-inch tower fan with four documented speed settings, oscillation and a remote. Those controls let a shopper compare it with three-speed models using a real interface difference rather than relying on shared size or brand names. A direct speed selection is available when the buyer wants one chosen setting; Night Mode is a separate programmed behavior. Lasko's support article names T48337 specifically, while the linked manual covers T48335, T48337 and T48339 together. The shared manual supports the stated controls but does not make those model codes interchangeable. No measured airflow, sound level or room coverage is supplied.

What Night Mode does

The saved manual describes a specific T48337 Night Mode sequence. It dims the lights by 50%, runs speed four for one hour, moves to speed three for one hour, then speed two for one hour, and remains at speed one until the user changes a control. This may suit someone who wants the fan to begin at a higher setting and reduce its speed in stages. It may not suit a shopper who wants low speed immediately; the four manual speed settings provide a separate way to choose. The sequence should not be labeled a quiet mode because there is no independent sound measurement for any stage.

Timer duration and mode compatibility

The shared instructions document a timer reaching eight hours, so T48337 can be compared against an eight-hour minimum. The saved evidence does not say whether the timer continues counting down while Night Mode is active. A restriction documented for T48322 should not be transferred to this separate model, and the presence of both controls in one manual does not prove that they work together. If a scheduled shutoff during the full night sequence is essential, check that exact combination in T48337 instructions before buying. The profile therefore records the timer duration and Night Mode behavior separately and leaves their simultaneous use unresolved.

Model and listing verification

Lasko's support article identifies T48337 as an Xtra Air tower fan with Night Mode and a remote. The linked manual names T48335, T48337 and T48339 as separate model codes. The historical Amazon ASIN B0B77Z37P4 did not load, and no source maps it to a current exact offer or confirms the frozen silver finish. Use the tagged T48337 search as a discovery route, then check the model code, condition, finish and included remote on the seller's item. Do not select by “Xtra Air” wording alone or treat a historical identifier as current availability.

Evidence and recommendation

This review is based on Lasko's model-specific support entry and the shared manual, not a hands-on test or buyer-review summary. Those sources support the 48-inch model class, four speeds, oscillation, remote, timer to eight hours and the described Night Mode. They do not establish voltage, frequency, wattage, measured airflow, noise or current price and stock. T48337 is a useful comparison when its four speeds, remote, shutoff and gradual setting fit the routine. It is not a verified match when the decision depends on a particular current Amazon variant, a silver finish, independent performance measurements or guaranteed timer operation during Night Mode.

What else to compare

Compare Lasko T48339 for a distinct Ultra Air model with a similar documented speed and timer set; keep the model codes separate.

Explore this category →

Before you buy

What is the T48337 Night Mode sequence?

It runs speeds four, three and two for one hour each, then speed one until changed, while dimming the lights by 50%.

Can the timer run during Night Mode?

The saved T48337 manual details do not establish whether the timer and full sequence run together.

Is B0B77Z37P4 a verified silver T48337 offer?

No. The historical ASIN and silver finish remain unresolved; use the tagged model search and confirm the code.

Where can I check the current price?

Use the Amazon link for current offers. Check the exact model, seller, product condition, delivery, and return terms. This page does not display a live price or confirm stock.

Sources & review basis

We use the following manufacturer documentation for the product features above. Our suitability notes and buying advice are editorial judgments based on those features, not measured performance results.

Read our research and update process →

The decision

Shortlist T48337 for its four speeds and staged Night Mode, and verify timer compatibility and the exact listing before purchase.

Is it the right fit?

Check the exact model and today’s offers on Amazon.

As an Amazon Associate I earn from qualifying purchases.