.mtp{--teal:#0E7C93;--teal-d:#0A5E70;--green:#5AA642;--ink:#16323B;--inks:#4C636C;--muted:#7E919A;--wash:#F4F8FA;--card:#fff;--line:#E2EBEF;font-family:'Inter',system-ui,-apple-system,sans-serif;color:var(--ink);line-height:1.65;max-width:1180px;margin:0 auto}.mtp h2,.mtp h3{font-weight:800;letter-spacing:-.01em}.mtp .ey{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--teal);font-weight:700}.mtp .lead{font-size:18px;color:var(--inks);max-width:62ch}.mtp .band{background:linear-gradient(135deg,#0A5E70,#0E7C93 45%,#3E8F5A);border-radius:18px;padding:34px 36px;margin:0 0 16px;color:#fff}.mtp .band .ey{color:#BFEAD3}.mtp .band h2{font-size:30px;margin:8px 0 12px;color:#fff}.mtp .band .lead{color:#E6F4F7}.mtp .trust{display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:13px 20px;margin:0 0 24px}.mtp .trust span{font-size:13.5px;font-weight:600}.mtp .feat{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:24px 0}.mtp .fc{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px}.mtp .fc h3{font-size:16px;margin:0 0 5px;color:var(--teal-d)}.mtp .fc p{font-size:14px;color:var(--inks);margin:0}.mtp .two{display:grid;grid-template-columns:1.15fr .85fr;gap:30px;margin:26px 0;align-items:start}@media(max-width:720px){.mtp .two{grid-template-columns:1fr}}.mtp h2.sec{font-size:23px;color:var(--teal-d);margin:6px 0 12px}.mtp table.ga{width:100%;border-collapse:collapse;margin:10px 0 4px;font-size:14px}.mtp table.ga th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);border-bottom:2px solid var(--line);padding:8px 6px}.mtp table.ga td{border-bottom:1px solid var(--line);padding:9px 6px}.mtp table.ga td:first-child{font-weight:700}.mtp .note{background:var(--wash);border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:10px;padding:14px 18px;font-size:14.5px;margin:16px 0 0}.mtp .chips{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 6px}.mtp .chip{background:var(--wash);border:1px solid var(--line);border-radius:999px;padding:6px 13px;font-size:13px;color:var(--inks)}.mtp .brand{background:linear-gradient(120deg,#10384A,#0E7C93);color:#DCEEF2;border-radius:16px;padding:26px 30px;margin:26px 0 6px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}.mtp .brand h3{color:#fff;font-size:21px;margin:0 0 4px}.mtp .brand p{margin:0;color:#CFE4E9;font-size:15px}.mtp .brand a{display:inline-block;background:#fff;color:var(--teal-d);text-decoration:none;font-weight:700;font-size:14px;padding:11px 22px;border-radius:40px;white-space:nowrap}.mtp a.more{color:var(--teal);font-weight:700;text-decoration:none} Matala · AerationSelf-Weighted Air Diffusers Award-winning EPDM membrane diffusers that sit on the pond bottom and release a fine bubble column. Self-weighted and fish-friendly — no anchoring — with the lowest back pressure on the market, so your air pump works less and lasts longer. In stock — ships from Southern CaliforniaLowest back pressureSelf-weighted & fish-friendlyAuthorized Matala retailer Fine bubbles Precision I-slit membrane makes small bubbles that transfer more oxygen. Self-closing pores Slits open with airflow and close when off — resist clogging and tearing. Drop & go Weighted base stays put on the bottom; no stakes or blocks needed. Choose your diffuser Type Best for 3" Disc (MD-3W) Small ponds, single-outlet pumps 5" Disc (MD-5W) Mid-size ponds 7" Disc (MD-7W) Larger ponds, more air 9" Disc High flow — up to ~120 LPM 36" Rod (RD-36) Long, linear bubble curtain Match it to your pump Bigger diffusers need more air — pair larger discs with a higher-output Hakko pump. Hose-clamp connectors are included. For depths under 8 ft. EPDM membrane304 stainless clamp ringLow back pressureLong life Think Progressive · Think Matala Need pump + diffuser + hose together? Grab an MEA Pro kit. Shop Aeration Kits →
