/* ===== BLOCK 2 ===== */
.tt-filter-cats {
background: #f7fafd;
padding: 110px 0;
font-family: 'Segoe UI', Tahoma, Arial, sans-serif;
}
.tt-container { max-width: 1180px; width: 92%; margin: 0 auto; }
.tt-section-label {
display: inline-block; font-size: 12px; font-weight: 700;
letter-spacing: 2px; text-transform: uppercase;
color: #0878e8; margin-bottom: 12px;
position: relative; padding-right: 40px;
}
.tt-section-label::before {
content: ""; position: absolute; right: 0; top: 50%;
width: 28px; height: 2px; background: #16c9ff;
}
.tt-filter-header {
text-align: center; max-width: 780px; margin: 0 auto 60px;
}
.tt-filter-header h2 {
font-size: clamp(28px, 3.5vw, 44px); font-weight: 900;
color: #0a2a5e; margin: 0 0 16px; letter-spacing: -0.5px;
}
.tt-filter-header p {
font-size: 16px; color: #6b7a90; line-height: 1.8; margin: 0;
}
.tt-filter-grid {
display: grid; grid-template-columns: repeat(3,1fr); gap: 28px;
}
.tt-filter-card {
background: #ffffff; border-radius: 22px; overflow: hidden;
box-shadow: 0 12px 40px rgba(10,42,94,0.08);
border: 1px solid rgba(10,42,94,0.06);
transition: all 0.5s cubic-bezier(0.25,0.46,0.45,0.94);
display: flex; flex-direction: column;
}
.tt-filter-card:hover {
transform: translateY(-12px);
box-shadow: 0 30px 65px rgba(8,120,232,0.18);
border-color: rgba(8,120,232,0.25);
}
.tt-filter-img {
width: 100%; height: 200px; object-fit: cover; display: block;
background: #e8f1fb;
transition: transform 0.8s cubic-bezier(0.22,1,0.36,1);
}
.tt-filter-card:hover .tt-filter-img { transform: scale(1.08); }
.tt-filter-body { padding: 28px 24px; flex: 1; display: flex; flex-direction: column; }
.tt-filter-brand {
font-size: 11px; font-weight: 700; letter-spacing: 1.5px;
text-transform: uppercase; color: #16c9ff; margin-bottom: 10px;
}
.tt-filter-body h3 {
font-size: 18px; font-weight: 800; color: #0a2a5e;
margin: 0 0 12px; line-height: 1.3;
}
.tt-filter-specs {
list-style: none; padding: 0; margin: 0 0 18px; flex: 1;
}
.tt-filter-specs li {
font-size: 13px; line-height: 1.8; color: #6b7a90;
padding-right: 16px; position: relative;
}
.tt-filter-specs li::before {
content: "▸"; position: absolute; right: 0; color: #0878e8;
font-weight: 700;
}
.tt-filter-specs li strong { color: #0a2a5e; font-weight: 700; }
.tt-filter-link {
display: inline-flex; align-items: center; gap: 8px;
font-size: 13px; font-weight: 700; color: #0878e8;
text-decoration: none; transition: gap 0.3s, color 0.3s;
padding-top: 14px;
border-top: 1px solid rgba(10,42,94,0.06);
}
.tt-filter-card:hover .tt-filter-link { gap: 14px; color: #16c9ff; }
.tt-reveal {
opacity: 0; transform: translateY(50px);
transition: opacity 0.9s cubic-bezier(0.22,1,0.36,1), transform 0.9s cubic-bezier(0.22,1,0.36,1);
}
.tt-reveal.tt-visible { opacity: 1; transform: translateY(0); }
@media (max-width: 1024px) { .tt-filter-grid { grid-template-columns: repeat(2,1fr); gap: 20px; } }
@media (max-width: 600px) {
.tt-filter-cats { padding: 60px 0; }
.tt-filter-grid { grid-template-columns: 1fr; gap: 20px; }
.tt-filter-img { height: 180px; }
}
(function(){
var els = document.querySelectorAll('#tt-filter-cats .tt-reveal');
if (!('IntersectionObserver' in window)) { els.forEach(function(e){ e.classList.add('tt-visible'); }); return; }
var obs = new IntersectionObserver(function(entries){
entries.forEach(function(entry){
if (entry.isIntersecting) {
var el = entry.target;
var delay = parseInt(el.getAttribute('data-delay') || '0', 10);
setTimeout(function(){ el.classList.add('tt-visible'); }, delay);
obs.unobserve(el);
}
});
}, { threshold: 0.12, rootMargin: '0px 0px -60px 0px' });
els.forEach(function(e){ obs.observe(e); });
})();
FILTER CARTRIDGE CATEGORIES
Melt Blown, Pleated, Carbon & Multimedia
Six categories of filtration products — each with verified specifications from Lenntech's official datasheets.
LENNTECH · LENN CF
Lenn Melt Blown Sediment Cartridges
- Models: CF251010, CF45105, CF45205, CF452020
- Media: Melt Blown Polypropylene
- Micron ratings: 5, 10, 20 µm
- Max temperature: +4 to +43°C
- Max capacity: 4,000 gal (15,000 L) to 8,000 gal (30,000 L)
- Flow rate: 4 Gpm (15 Lpm) to 8 Gpm (30 Lpm)
3M PURIFICATION · BETAFINE
Betafine Pleated Cartridges
- Series: PEG, T, DP, XL
- Construction: All-polypropylene, graded-density
- Retention ratings: 0.2–70 µm absolute
- Media area: Up to 50% more than competitive filters
- Max temperature: 85°C (T Series)
- Certification: FDA listed (CFR 21)
PENTEK · GAC / NCP
Carbon-Impregnated Pleated Cartridges
- Models: GAC 155153-43, NCP Series
- Media: Pleated Carbon-Impregnated Polyester
- Micron rating: 10 µm nominal
- Chlorine reduction: Up to 1000 gallons @ 4 gpm
- Max temperature: 51.7°C (125°F)
- Application: Taste, odour, chlorine removal
LENNTECH · MEDIA
Multimedia Filtration Media
- Media types: Sand, anthracite, garnet, gravel
- Filter bed speed: 10–30 m/h (industrial)
- Particle removal: Down to 10–25 microns
- Layers: Decreasing porosity for depth filtration
- Application: Seawater pre-treatment, RO pre-filtration
- Backwash: Automatic or manual
CRYSTAL-RIGHT / GEH
Iron & Manganese Removal Media
- Crystal-Right 100/200: Zeolite crystals
- Pyrolox (GEH): Oxidation media, pH 6.5–9
- ECOMIX: Multi-component filter material
- Removal: Hardness, iron, manganese, ammonia
- pH raise: For slightly acidic water
- Packaging: 27 kg bags, 50 lb bags
EATON · LOFCLEAN / LOFPLEAT
Industrial Pleated & Depth Cartridges
- LOFCLEAN: Acrylic fibres + phenolic resin
- Pore ratings: 2–150 µm
- LOFPLEAT: Pleated micro fiberglass
- Max temperature: 200°F (93°C)
- Applications: Paints, inks, resins, process water
- Structure: Self-supporting, no centre core