Phifer 20x20 No-See-Um Screen product photo
Phifer

Phifer 20x20 No-See-Um Screen

Best for tiny bugs — A tighter 20x20 fiberglass weave that stops the no-see-ums, gnats, and sand flies standard 18x14 lets walk right through — the coastal/marshy Florida pick.

★ 4.3 · 42 owner ratings · Amazon · August 2026 · early data

Check price at Amazon →

Specs

Mesh count20x20 fiberglass (tighter)
MaterialFiberglass
WarrantyDefect only (no year term)
StrengthFiberglass baseline
Roll widths36–72 in.
Best forNo-see-ums, sand flies, coastal lots
Owner rating4.3★ / 42 (Amazon)

Pros

  • Tighter 20x20 weave blocks no-see-ums, gnats, and sand flies that pass through standard 18x14
  • Genuine Phifer fiberglass; adds a little daytime privacy
  • The right upgrade for coastal, marsh-, or mangrove-adjacent Florida lots

Cons

  • Thin owner base (42 ratings = early data)
  • Slightly less airflow and visibility than 18x14, for ~10–15% more
  • Same fiberglass lifespan (~5–7 yr in FL) as standard mesh — the weave is tighter, not tougher
“The new screens will enable us to cool the house with windows open without letting the flies in.”— Scotty Joe, Amazon · Verified owner

FAQ

Who is the Phifer 20x20 No-See-Um Screen for?

You're coastal or near marsh and get bitten by bugs you can't see — the tighter 20x20 weave stops what standard mesh lets through.

What do owners say about the Phifer 20x20 No-See-Um Screen?

4.3★ across 42 owner ratings (Amazon, read August 2026 · early data).

What is the warranty on the Phifer 20x20 No-See-Um Screen?

Defect only (no year term)

✓ Safety: no active recall — No active CPSC recall found (checked July 2026)

Data last verified: August 2026. Ratings are real, dated reads — never scraped or invented. Full methodology and monetization disclosure: how we test.