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We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
If you want a high-volume, disposable meal-prep and takeout system that goes straight from air fryer to fridge to customer, choose CURTA 9; if you need one reusable, non-toxic glass basket built specifically to drop into a Ninja Crispi PowerPod FN101, choose Xenvalis 6-Cup.
• CURTA 9 — biggest strength: 120 heavy-duty round aluminum pans with clear lids in one pack, so you can prep, roast, store and hand off food without ever washing a container.
• CURTA 9 — biggest trade-off: it is a disposable foil format, so it is not a permanent piece of cookware and it is not shaped to fit any specific air fryer basket.
• Xenvalis 6-Cup — biggest strength: a PFAS- and PTFE-free glass bowl with a leak-proof lid that is rated to 450°F, microwave safe, fridge safe and dishwasher safe, with cool-touch handles.
• Xenvalis 6-Cup — biggest trade-off: it is a single 6-cup vessel designed around one air fryer family (Ninja Crispi PowerPod FN101), so it does not scale to bulk prep or volume service.
• Who each pick is for: CURTA 9 for bakers, caterers, home cooks and takeout operations that want volume and zero cleanup; Xenvalis 6-Cup for one- or two-person households that want a reusable, non-toxic glass container that lives in the air fryer, the fridge and the microwave.
CURTA 9 is a 120-count pack of round aluminum foil pans, each 9 inches across and 2 inches deep, and every pan ships with a clear plastic lid. The aluminum is described as extra heavy-duty, built to hold its shape through baking, roasting, broiling and storage rather than buckling the moment you lift it. That matters more than it sounds. Flimsy foil pans are the reason people stop buying foil pans. These are pitched at both home and commercial use, and the design brief is clearly "handle it, move it, don't baby it."
The clear lids are the real functional upgrade here. You can see what is inside without peeling anything back, which is exactly what you want for meal prep, catering trays and takeout orders. Stack them in the fridge, label nothing, and still know which one is the chili. The pans are also recyclable aluminum and easy to rinse and reuse if you want to get a second run out of them before they go.
So who should buy CURTA 9? Anyone whose meal prep is about throughput. If you batch-cook on Sunday for a family, run a food truck, cater parties, or send food home with customers, 120 lidded pans solves a lot of problems at once. It is also a genuinely good fit for air fryer owners who want to portion food into individual pans and reheat or finish them in the air fryer without dirtying real dishes. Bakers will like the round 9-inch format for cakes and small bakes.
Who should skip it? If you want one durable container you will still be using in three years, this is not that product. It is also not engineered to slot into a specific air fryer basket, and it does not come with a leak-proof seal — the lid fits securely, but this is a foil pan with a clear cover, not a travel-tight food box. If you need to toss a sauced meal in a bag and commute with it, look elsewhere.
Xenvalis 6-Cup is a different animal entirely. It is a 6-cup round glass bowl, roughly 7.1 by 8.3 by 3 inches, designed as a replacement basket for the Ninja Crispi PowerPod FN101 series. That is the headline fact: this is a fit-specific accessory, not a universal container. If you own that air fryer, the sizing is meant to be precise and stable, sitting in the unit the way the original does. If you own a different air fryer, this is probably the wrong purchase.
The material story is where it earns its keep. The glass is PFAS- and PTFE-free, which is the whole point of the "CleanCrisp" positioning — no chemical leaching, no non-stick coating to degrade. It is heat resistant to 450°F, and the base is described as fully encased and drop-resistant, specifically so it will not melt or deform under high heat. That is a meaningful claim for anyone who has watched a silicone liner go soft or a cheap glass bowl crack.
Then there is the everyday practicality. The bowl is microwave safe, fridge safe, dishwasher safe, and it comes with a leak-proof lid, so the same vessel goes from cold storage to reheating to the table. The anti-slip base and cool-touch handles mean you can pull it out of a hot air fryer without burning yourself, and there is a protective cover that blocks heat. The non-porous surface wipes clean easily, and the wrap-around protection makes it reasonable to carry on a commute.
Buy Xenvalis 6-Cup if you own a Ninja Crispi PowerPod FN101, cook for one or two, and want a single reusable container that handles air frying, storage, reheating and transport without a plastic liner or a coating. Skip it if you need volume, if you are feeding a crowd, or if your air fryer is not in that family — a 6-cup bowl will not batch-cook for four, and it will not fit a basket it was not shaped for.
• Best for bulk meal prep and catering → CURTA 9. 120 lidded pans means you prep once and portion everything, with nothing to wash afterward.
• Best for a single reusable air fryer vessel → Xenvalis 6-Cup. One bowl, one lid, repeated use, no disposables.
• Best for Ninja Crispi PowerPod FN101 owners → Xenvalis 6-Cup. It is purpose-built for that unit; CURTA 9 is not shaped for any specific basket.
• Best for takeout, delivery and gifting food → CURTA 9. The clear lid lets the recipient see the contents, and you are not chasing your cookware back.
• Best for non-toxic, coating-free cooking → Xenvalis 6-Cup. PFAS- and PTFE-free glass, rated to 450°F.
• Best for transport and commuting → Xenvalis 6-Cup. Leak-proof lid, cool-touch handles and a rugged wrap-around design.
• Best for bakers and round cakes → CURTA 9. A 9-inch round pan is a cake pan; a 6-cup bowl is not.
• Best if you hate doing dishes → CURTA 9. Recycle or dispose and move on.
In my opinion, the right pick comes down to one question: are you buying a system or a tool? If you are prepping food in volume — family batches, catering, takeout, freezer stock — I would buy CURTA 9. The 120-count pack with clear lids, the 9-inch round format and the heavy-duty aluminum build solve the whole workflow in one purchase, and disposability is a feature, not a flaw. If instead you own a Ninja Crispi PowerPod FN101 and want one trustworthy, non-toxic glass basket for daily single or double servings, I would buy Xenvalis 6-Cup. It is the more durable object and the more thoughtful design, but only inside its intended air fryer.
can you put containers in air fryer
Yes, provided the container is rated for the heat. The Xenvalis 6-Cup is heat resistant up to 450°F and designed specifically to sit inside a Ninja Crispi PowerPod FN101. CURTA 9's aluminum pans are listed for air fryer use as well, so both are viable — the limit is always the container's temperature rating, not the air fryer itself.
what containers can be used in an air fryer
Look for heat resistance and physical fit. Metal pans, like the heavy-duty aluminum CURTA 9 round pans, and heat-rated glass, like the 450°F Xenvalis 6-Cup bowl, are both appropriate. Anything that will soften, warp or leach at cooking temperature is not, and anything too tall or too wide for your basket will block airflow.
are glass meal prep containers air fryer safe
They can be, if the glass is rated for it. The Xenvalis 6-Cup is explicitly built for air fryer use, heat resistant to 450°F, with an encased drop-resistant base and cool-touch handles. Generic glass meal prep containers are not automatically air fryer safe — check the manufacturer's temperature rating before you cook in one.
Probably not. It is designed as a replacement basket for the Ninja Crispi PowerPod FN101 series, so the fit is specific to that unit. Without that air fryer you lose the main advantage, and you would be better served by CURTA 9's pans or a container sized to your own basket.
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